Triology Vol. 39, No. 4, DPI

TRI-OLOGY, Vol. 39, No. 4
Nancy C. Coile, Ph. D., Managing Editor
JULY-AUGUST 2000

Wayne N. Dixon, Ph. D., Editor

BOTANY SECTION
Compiled by Carlos R. Artaud

For this period, 123 specimens were submitted to Botany for identification, and 783 were received from other Sections for identification and/or name verification (for a total of 906). Some of the samples are described below:

Amaranthus cruentus L., (60 species, World tropical and temperate), Amaranthaceae, purple amaranth, red amaranth, prince's feather: Erect, coarsely pubescent annual to 2 m tall. leaves 3-16 cm long, 1-6 cm broad, ovate to lanceolate, concave above or beneath, glabrous above, pubescent beneath, margins entire to minutely crenulate; apex blunt to acute, mucronate; petioles 108 cm long. Inflorescences in cymes to 60 cm long, drooping, cylindric, 5-15 mm in diameter; bracts and bracteoles subequal, lanceolate to obovate, 1.5-2.5 mm long; perianth segments 5, 1.5-2.5 mm long, green tinged red, midrib dark green. Fruit an edible utricle , subglobose, 2 mm in diameter; seeds red-brown to black, minutely reticulate, 1-1.3 mm in diameter. Together with A. caudatus and A. tricolor, the seeds are a source of 'abanico chino' or 'calalú', a native cereal of Central and South America, displaced by cereals introduced by the colonists in the 16th Century. Native to the Americas. (Seminole County; B2000-338; Stephen P. Beidler; 9 August 2000). (Huxley 1992).

Cassia leptophylla Vogel, (ca. 30 species, World tropics), Leguminosae, 4-angled pod cassia: Tree to 18 m tall. Branchlets soft hirsute. Leaves 13-28 cm long; petioles 22-36 cm long; leaflets 32-70 mm long, and 11-26 mm broad, in 9-14 pairs, elliptic-lanceolate, lustrous above, sparsely downy throughout; stipules fugacious. Flowers 30 to 50 in densely packed terminal racemes to 25 cm long; pedicels 4-9 cm long; bracts 7-20 mm long, and 1.5-2 mm broad, downy; sepals 8-11 mm long, usually red-brown; petals yellow, long clawed; stamens 10, 3 sterile with its filaments being the longer and which are thickened, as a swollen nodule, above the middle; ovary gray-downy, stalk 7-12 mm long, ovules 86-114. Fruit 15-70 cm long, with tick opposite sutures, 5 mm wide on sutures side, 10 mm wide between sutures, linear-cylindric, and 4-angled, but not always, becoming woody. Native to southeastern Brazil. (Lee County; B2000-320; Stephen H. Brown, University of Florida's Lee County Extension Service; 1 August 2000). (Bailey 1976; Huxley 1992).

Episcia cupreata (Hook.) Hanst., (9 species, tropical America), Gesneriaceae, flame violet: Creeping and stoloniferous perennial to 20 cm tall, with hirsute stolons to 50 cm long. Leaves 8.5 cm long, 5.5 cm broad, dark green, paler at midrib, purple beneath; petiole hirsute, to 7 cm long. Flowers axillary, clustered, on hirsute pedicels to 4.5 cm long; sepals to 12 mm long, 3 mm wide, green, serrate near apex; corolla funnel-shaped, spurred at base, to 6 cm long, and 0.9 cm broad, oblique, wider at throat, villous outside, scarlet with a yellow ring and occasionally purple-spotted at throat, limb spreading, 5-lobed, 2 dorsal lobes reflexed. Grown for its colorful foliage and flowers, its cascading habit is eminently suited to hanging baskets. Native to Colombia, Venezuela, and Brazil. (Orange County; B2000-273; Terrence D. Williams; 12 July 2000). (Huxley 1992).

Hylocereus undatus (Haw.) Britt. & Rose, (ca. 16 species, tropical America), Cactaceae, night-blooming cereus, pitaya, queen-of-the-night: Epiphytic or climbing to 5 m long or more; stems usually segmented, 3-winged, 4-7.5 cm in diameter, wings 2.5-5 cm wide, margins crenate-undulate, horny; areoles in the sinuses, usually 4-5 cm apart; spines 0-3, 3-6 mm long, conical, gray-brown. Flowers fragrant, 25-30 cm long, 15-25 cm across; scales broad, imbricate; tepals white. Fruit red, 10-15 cm long, 10-12 cm in diameter, globose-oblong; scales long pointed, to 25 mm long, fleshy. Sometimes misidentified as H. triangularis but distinguished by the horny margins of the stem and by the larger flower. Widely cultivated in the tropics as an ornamental and for its edible fruit. Widespread in tropical America, but origin unknown. (Orange County; B2000-314; Barbara J. Wilder; 2 August 2000). (Bailey 1976; Huxley 1992; Martinez 1956).

Morus alba L., (ca. 12 species, temperate and warm, tropical regions of the World), Moraceae, white mulberry: Fast-growing, short-lived, deciduous tree to 16 m tall with a rounded crown. Leaves 6-20 cm long, 12 cm broad, ovate-cordate, margin coarsely dentate, apex rounded to acute, often bi- or tri-lobed with irregular sinuses; glossy light green above, glabrous beneath except for veins; petiole 1-2.5 cm long. Flowers in pale green cylindrical heads 8-14 mm long, and 6 mm in diameter, on a 12 mm pedicel; female flower with sessrle stigma.. Fruit clusters 1-2.5 cm long, green-white ripening pink to dark red, sweet but poor in flavor. Formerly cultivated, now naturalized in much of North America and Europe. Native of eastern Asia. (Alachua County; B2000-310; Sara Smith, homeowner; 15 August 2000). (Godfrey 1988; Huxley 1992).

Pseuderanthemum atropurpureum L.H. Bailey, (60 species, World tropics), Acanthaceae, purple false eranthemum: Erect shrub to 1.5 m tall; branches long, slender, rather weak. Leaves 10-15 cm long, ovate-elliptic, obtuse, purple to deep metallic green, sometimes variously marked with yellow along veins. Flowers packed in erect, terminal spikes to 18 cm long; corolla bilabiate, tube to 2.5 cm long, white, lobes linear-oblong, spotted rose or purple at base. Naturalized in tropical America. Probably native to Polynesia. (Alachua County; B2000-359; Dr. Warren 'Cal' Welbourn; 19 August 2000). (Bailey 1976; Huxley 1992).

Sophora tomentosa L., (45 species, tropical, and mostly temperate northern hemisphere), Leguminosae, necklace pod: Shrub to 3 m tall, erect, tomentose, glabrate in age; branches numerous, stiff, ascending. Leaves to 20 cm long or more, estipulate; leaflets 13-21, oval or oblanceolate, cuneate at base, margin entire, midvein prominent. Inflorescence in racemes 10-20 cm long, flowers to 2 cm long; corolla bright yellow; pedicel slender, 5-10 mm long.

Legume 6-15 cm long, stipitate, 4-9-seeded; seeds pealike, 7 mm in diameter, yellow. From the Florida Keys to Texas, and the West Indies. (Hillsborough County; B2000-358; Leyanis Gonzalez; 17 August 2000). (Long and Lakela 1971).

Tribulus cistoides L., (25 species, World tropics and warm temperate), Zygophyllaceae, large yellow caltrop, burnut, Jamaican feverplant: Prostrate to ascending perennial, stems 5 dm long or less. Leaves opposite, even-pinnate, to about 8 cm long; leaflets 5-10 pairs, oblique-oblong to elliptic, 5-15 mm long, 8 mm broad, obtuse to subacute, densely sericeous beneath and often also above; petioles to 1 cm long. Flowers solitary, 20-40 mm across, peduncles usually longer than the subtending leaves; sepals narrowly lanceolate, acute to acuminate, to 1 cm long, 3 mm wide; petals bright yellow, obovate, 1-2.5 cm long, 5-16 mm wide; intrastaminal glands connate into a 5-lobed ring around the base of the ovary; ovary hirsute. Fruit hard and bony, to about 1.5 cm in diameter, excluding the few stout 5-8 mm long spines. Southern U.S.A., West Indies, and from Mexico through Central America to South America. Native of the Old World; Exotic Pest Plant Council's Category II. (Hillsborough County; B2000-306; Karen 'Lea' Etchells; 27 July 2000). (Correll and Correll 1982; Wunderlin 1998).

GLOSSARY: areole: spine-bearing area in the Cactaceae; fugacious: short-lived; perianth: the calyx and corolla collectively; stipitate: with a stalk; tepal: a segment of an undifferentiated perianth; utricle: an achene with a loose involucral covering.

REFERENCES

L. H. Bailey Hortorium Staff. 1976. Hortus third, a concise dictionary of plants cultivated in the United States and Canada. Macmillan Publishing Company, New York. 1,290 p.
Correll, D. S. and H. B. Correll. 1982. Flora of the Bahama Archipelago. J. Cramer, Hirschberg, Germany. 1,692 p.
Godfrey, R. K. 1988. Trees, shrubs, and woody vines of northern Florida and adjacent Georgia and Alabama. The University of Georgia Press, Athens and London. 734 p.
Huxley, A. J. (ed.) 1992. New Royal Horticultural Society dictionary of gardening. 4 vols. Macmillan Press, London. 3,240 p.
Long, R. W. and O. Lakela. 1971. A flora of tropical Florida. University of Miami Press, Coral Gables. 962 p.
Martinez, M. 1959. Plantas utiles de la flora mexicana. Imp. M. Leon Sanchez, Mexico, D. F. 621 p.
Wunderlin, R. P. 1998. Guide to the vascular plants of Florida. University Press of Florida, Gainesville. 806 p.

ENTOMOLOGY SECTION
Compiled by Susan E. Halbert, Ph. D.

For the month of July, there were 354 samples consisting of 16,185+ specimens. In August, there were 592 samples consisting of 22,052+ specimens. Some of the samples processed are listed below.

ORNAMENTALS, WOODY PLANTS AND PALMS: Chamaedorea sp. (palm) -- Geococcus coffeae Green, coffee mealybug: A moderate infestation involved 25 of 200 plants from Arizona at a nursery in Homestead (Miami-Dade County; E2000-1845; Duraid I. Hanna; 14 June 2000, E2000-2553; Duraid I. Hanna and Edward T. Putland; 3 August 2000). This mealybug presently is not known to occur in Florida (Dr. Avas B. Hamon).

Cycas revoluta (king sago, king sago-palm)-- Aulacaspis yasumatsui Takagi, cycad aulacaspis scale: A severe infestation on five of ten plants was found at a discount store in Tallahassee (Leon County; E2000-2047; Jimmie R. Wigelsworth; 26 June 2000). NEW DPI COUNTY RECORD. A moderate infestation was found at a discount store in Gainesville (Alachua County; E2000-2412; Ryan S. Richards, Citrus Canker; 27 July 2000). NEW DPI COUNTY RECORD. A severe infestation involved two of four plants at a discount store in Altamonte Springs (Seminole County; E2000-2479; Amanda D. Melco; 21 July 2000). NEW DPI COUNTY RECORD.

Ilex opaca (American holly, native species)-- Milviscutulus mangiferae (Green), mango shield scale: A severe infestation was found on a plant in a wildlife management area in Daytona Beach (Volusia County; E2000-1681; Raymond C. Jarrett, Jr. and Stacey S. Simmons; 7 June 2000). NEW DPI HOST RECORD.

Phoenix dactylifera (date palm)-- Pheidole sp.: Ants were found in the root ball of trees from California at a nursery in Boynton Beach (Palm Beach County; E2000-2637; Ellen J. Tannehill; 10 August 2000). This species is not found in Florida (Dr. Lionel A. Stange).

ORNAMENTALS, FOLIAGE PLANTS: Alternanthera ficoidea (Joseph's-coat, Jacob's-coat)-- Hypogeococcus pungens Granara de Willink, a mealybug: A severe infestation on all of 50 plants was found at a discount store in Ft. Lauderdale (Broward County; E2000-1640; Maria S. Quintanilla; 2 June 2000).

Bamboo-- Dinoderus minutus Fabricius, a bostrichid beetle: Several specimens were found in bamboo stakes imported from China in a discount store in Tampa (Hillsborough County; E2000-2974; James R. Martin; 25 August 2000). This is an exotic species. It attacks bamboo and many kinds of wood. It may or may not be established in Florida (Dr. Michael C. Thomas).

-- Tyrophagus putrescentiae (Schrank), mold mite, Cheyletomorpha lepidopterorum (Shaw), a cheyletid mite, Tarsonemus sp., a tarsonemid mite, Cheiroseius sp., an ascid mite, Pronematus sp. and Homeotydeus sp., tydeid mites, and Agistemus sp., a stigmaid mite: Many mites from China were intercepted on bamboo leaves for sale at an Asian market in Orlando (Orange County; E2000-2525; Barbara J. Wilder, Stephen B. Beidler and Paul L. Hornby, USDA-APHIS-PPQ; 2 August 2000). T. putrescentiae is a common mite on stored food products world wide. Tarsonemus sp. and Homeotydeus sp. probably are fungus feeders, and the rest of the species probably are predators (Dr. W. C. 'Cal' Welbourn).

Thalia sp. (a fireflag)-- Saissetia coffeae (Walker), hemispherical scale: A severe infestation on half of 7000 plants was found at a nursery in Alachua (Alachua County; E2000-2372; Yolanda I. Inguanzo; 21 July 2000).

ORNAMENTALS, FLOWERING PLANTS: Tagetes sp. (a marigold)-- Paracoccus marginatus Williams & Granara de Willink, papaya mealybug: A severe infestation was found at a residence in Bradenton (Manatee County; E2000-2908; K.' Lea' Etchells; 19 August 2000). NEW DPI HOST RECORD.

FOREST AND SHADE TREES: Magnolia grandiflora (southern magnolia, native species)-- Paracoccus marginatus Williams & Granara de Willink, papaya mealybug: A moderate infestation was found on plants at a discount store in Brandon (Hillsborough County; E2000-2701; Stacy A. Tyrala; 9 August 2000). NEW DPI HOST RECORD.

Pinus sp. (pine)-- Ips calligraphus (Germar), a bark beetle: A severe infestation involved all of 100 plants at the Parks Department in Clearwater (Pinellas County; E2000-2229; Alan R. Haynes and David M. Mooney; 10 July 2000).

Quercus michauxii (swamp chestnut oak, a native species)-- Neosymydobius albasiphus (Davis), an aphid: A moderate infestation was found on 40% of 960 plants at a nursery in Gainesville (Alachua County; E2000-2382; Yolanda I. Inguanzo; 26 July 2000). NEW DPI HOST RECORD.

Quercus sp. (oak)-- Agrilus bilineatus bilineatus (Weber), a buprestid beetle and Euphoria sepulcralis (Fabricius), a scarab beetle: A severe infestation involved 250 of 400 plants at a nursery in Live Oak (Suwannee County; E2000-2299, E2000-2300; Osmond O. Baron; 5, 13 July 2000). The only way to control the buprestid infestation is to destroy all infested trees and treat remainder with pesticide in early fall (Dr. James R. Meeker, Division of Forestry, Florida Department of Agriculture and Consumer Services).

FOOD OR CROP PLANTS: Allium sp. (green onions)-- Lyriomyza huidobrensis Blanchard, pea leaf miner: A moderate infestation was intercepted in a shipment from Mexico and California at a produce wholesale business in Pompano Beach (Broward County; E2000-2435; C. Elroy Timmer; 28 July 2000).

CITRUS: X Citrofortunella microcarpa (calamondin)-- Aonidiella aurantii (Maskell), California red scale: A severe infestation was found on a tree at a gas station in Yulee (Nassau County; E2000-2343; Flewellyn W. Podris; 17 July 2000). NEW DPI COUNTY RECORD.

Citrus sp. (citrus)-- Diaphorina citri Kuwayama, Asian citrus psyllid: A slight infestation involved 20 of 140 plants at a stock dealership in St. Augustine (St. John's County; E2000-2635; Ryan S. Richards; 10 August 2000). NEW DPI COUNTY RECORD.

WEEDS AND GRASSES: Imperata cylindrica (cogongrass)-- Dicranoctetes brachyelytrifoliella (Clemens), a moth: Two specimens were found on these noxious weeds in rural Marion County (E2000-2174; Dr. Marc A. Minno, St. John's Water Management District, Palatka; 11 June 2000). NEW DPI HOST RECORD.

NATIVE AND NATURALIZED PLANTS: Portulaca oleracea (little hogweed, a purslane)-- Hypogeococcus pungens Granara de Willink, a mealybug: A severe infestation was found on a plant at a residence in Satellite Beach (Brevard County; E2000-1593; Raymond C. Jarrett; 29 May 2000). NEW DPI COUNTY RECORD.

BENEFICIAL INSECTS: Diomus debilis (LeConte), a ladybeetle: A specimen was found on the weed at a park in Ft. Pierce (St. Lucie County; E2000-2447; Kenneth L. Hibbard; 25 July 2000). This is a rare beetle (Dr. Michael C. Thomas).

Eurytoma latrodecti (Fullaway), an egg parasitoid: Parasitoid wasps emerged from Latrodectus geometricus C.L. Koch (brown widow spider) eggcase collected in Homestead (Miami-Dade County; E2000-2586; Julieta Brambila and Dr. Gregory A. Evans; 8 August 2000). There is no published US record for this species (Dr. Gregory A. Evans).

APIARY PESTS: Aethina tumida Murray, small hive beetle: NEW DPI COUNTY RECORDS were collected as follows: White Springs (Columbia County; E2000-481; Thomas B. Dowda, III; February 2000), Lawtey (Bradford County; E2000-1962; Thomas B. Dowda, III; 23 June 2000), Niceville (Okaloosa County; E2000-2272; Joseph H. Robinson; 10 July 2000), Apopka (Orange County; E2000-2410; David L. Causey; 20 July 2000), Crystal River (Citrus County; E2000-2411; David L. Causey; 21 July 2000), LaBelle (Hendry County; E2000-2654; D. Fred Howard; 2 August 2000), Moore Haven (Glades County; E2000-2655; D. Fred Howard; 2 August 2000), Trenton (Gilchrist County; E2000-2785; Thomas B. Dowda, III,; 16 August 2000), and Flemington (Marion County; E2000-2786; Randall A. Dean; 15 August 2000).

INSECT DETECTION: Asphaera lustrans (Crotch), a chrysomelid beetle: A specimen was found in rural Orange County (E2000-2273; Thomas J. MacCubbin, University of Florida's Orange County Extension Office; 14 July 2000). This is a recently discovered exotic leaf beetle from Texas and Central America (Dr. Michael C. Thomas).

Bolbocerosoma hamatum Brown, a beetle: A specimen was found at University of Florida's Indiana River Research and Education Center (St. Lucie County; E2000-2448; Kenneth L. Hibbard; 26 July 2000). This is a rare beetle (Dr. Michael C. Thomas).

Diaphorina citri Kuwayama, Asian citrus psyllid: An infestation was found in West Bay, Grand Cayman (E2000-2102; Joan Steer and Sasha Frederick, Cayman Islands Department of Agriculture; 30 June 2000). NEW CAYMAN ISLAND RECORD.

Dictyna bostoniensis Emerton, a mesh weaver spider: A population was found at a park in Ft. Pierce (St. Lucie County; E2000-2087; Kenneth L. Hibbard; 29 June 2000). This is the third record from Florida, all from St. Lucie County (Dr. G. B. Edwards).

Dictyna pallida Keyserling, a mesh weaver spider: A small population was found at a park in Ft. Pierce (St. Lucie County; E2000-2452; Kenneth L. Hibbard; 25 July 2000). This apparently is a rare spider. When described, this species was known only from Washington, D.C., the Chesapeake Bay area of Maryland, and Lake Worth, Florida. NEW DPI COUNTY RECORD (Dr. G. B. Edwards).

Elaphidion clavis Linsley, a cerambycid beetle: A specimen was found in an office in Hialeah (Miami-Dade County;
E2000-2094; Roberto Erb; 29 June 2000). This is a rare beetle (Dr. Michael C. Thomas).

Plateocobius floridanus (Banks), a flatmesh weaver spider: A specimen was found at a park in Ft. Pierce (St. Lucie County; E2000-2148; Kenneth L. Hibbard; 5 July 2000). This is a rare species (Dr. G.B. Edwards).

Botany Section

Entomology Section

Nematology Section

Plant Pathology Section

NEMATOLOGY SECTION
Compiled by Paul S. Lehman, Ph.D.

A total of 3,262 samples were processed in July and August of 2000. Details are shown below:

Certification and Regulatory Samples:
Multistate Certification for National and International Export . . . 1,595
California Certification . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . 956
Burrowing Nematode (Citrus Regulatory Survey) . . . . . . . . . .120
Premovement (Citrus Nursery Certification) . . . . . . . . . . . . . .230
Site or Pit Approval (Citrus Nursery Certification) . . . . . . . . .58

Other Samples:
Plant Problems . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . 90
Identifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Intrastate Survey, Random . . . . . . . . . . . . . . . . . . . . . 202
Out-of-State Survey, via Florida Interceptions . . . . . . . .10

NEMATODES NEW TO FLORIDA (January-June 2000)
Phoenix dactylifera (date palm)--Longidorus belondiroides Heyns, 1967, needle nematode (Palm Beach County;
N00-00914; Ellen J. Tannehill; 26 June 2000). To our knowledge, this is the first report of this nematode in the USA. The sample was collected from soil around the roots of date palms shipped from Riverside County California. This needle nematode was originally described in South Africa where it occurs in natural veld and also around the roots of sugarcane and grasses. Although some species of nematodes are known to damage crop plants and transmit viruses, the effect of this needle nematode on plant hosts is not known.

COLLECTORS SUBMITTING FIVE OR MORE SAMPLES THAT WERE PROCESSED FOR NEMATOLOGICAL ANALYSIS DURING JULY AND AUGUST 2000:
Brown, Gregory A. . . . . . . . . . . . .. . . . . . . . 6
Clifton, L. Wayne . . . . . . . . . . . .. . . . . . . . . .8
Dees, Carrie A. . . . . . . . . . . . .. . . . . . . . .. .142
Echols,'Janie' M. . . . . . . . . . . . .. . . . . . . . . . .5
Etchells, Karen L. . . . . . . . . . . . .. . . . . . . . .11
Fuller, Samuel A. . . . . . . . . . . . .. . . . . . . . .151
Harris, Jessie M. . . . . . . . . . . . .. . . . . . . . . .45
Inguanzo, Yolanda. . . . . . . . . . . . .. . . . . . . .18
Lawrence, Robinson L. . . . . . . . . . . . .. . . . .15
LeBoutillier, Karen W. . . . . . . . . . . . .. . . . .205
Lorenzo, Jose . . . . . . . . . . . .. . . . . . . . . . . .432
Pate, Jo Ann . . . . . . . . . . . .. . . . . . . . . . . .47
Robinson, William L. 'Robbie' . . . . . . . . . .160
Salisbury, Thomas L. . . . . . . . . . . . .. . . . 243
Smith, W. Wayne . . . . . . . . . . . .. . . . . . . 44
Tannehill, Ellen J. . . . . . . . . . . . .. . . . . . . . 8

PLANT PATHOLOGY
Complied by Robert M. Leahy

For this period, the Plant Pathology Section received and processed 4641 specimens. These included 557 pathology, 14 miscellaneous, and 4 soil samples. 4066 citrus canker samples were also processed, including 3989 from South Florida, 18 West Coast Florida, 13 from South West Coast Florida, 15 from Central Florida, and 31 from North Florida.

ORNAMENTALS, WOODY PLANTS AND PALMS: Phoenix canariensis (date palm)-- Ceratocystis paradoxa
(De Seyn.) Sacc., root, crown, heart rot,: Collected at a nursery in Gainesville (Alachua County; P2000-1598; Doug Brogan, nurseryman; 21 July 2000).

ORNAMENTALS, FOLIAGE PLANTS: Codiaeum variegatum var. pictum (croton)-- Ganoderma sp., conchs: Collected at a nursery in Odessa (Hillsborough County; Amber D. Messick and Alan R. Haynes; P2000-1869; 11 August 2000). NEW HOST RECORD.

ORNAMENTALS, FLOWERING PLANTS: Euryops sp. (golden bush daisy)-- Phytophthora sp., root rot: Collected at a nursery in Gainesville (Alachua County; George Griffith, nurseryman; P2000-1448; 5 July 2000). NEW HOST RECORD.

Melampodium divaricatum (baton de oro)-- Alternaria zinnae M. B. Ellis, leaf spot: Collected at a flower market in Jacksonville( Duval County; Flewellyn W. Podris; P2000-1407; 26 June 2000). NEW HOST RECORD.

FOOD OR CROP PLANTS: Vaccinium corymbosum (highbush blueberry)-- (Brrv.) Blueberry red ringspot caulimovirus, necrotic ringspots: Collected at the University of Florida, Gainesville (Alachua County; David Norden; P2000-1547;17 July 2000).

NATIVE AND NATURALIZED SPECIES: Tripsacum dactyloides (Fakahatchee grass; eastern gama grass)
-- Nigrospora oryzae (Derk. & Broome) Petch, leaf spot: Collected at Jacksonville Zoo in Jacksonville (Duval County; Flewellyn W. Podris; P2000-1439; 27 June 2000). NEW HOST RECORD.

OTHER DETECTIONS OF SPECIAL INTEREST:Actinostachys pennula (ray fern: Florida endangered species)
-- Pestalotiopsis sp., leaf spot: Collected at Florida Biological Control Laboratory in Gainesville (Alachua County;
Dr. Gary R. Buckingham, USDA/ARS; P2000-1400; 26 June 2000). NEW HOST RECORD.

Adam H. Putnam, Commissioner - Richard D. Gaskalla, Director