Rhabdotylus venenatum (Osten Sacken, 1886)

Turcatel, Mauren, 2019, Taxonomic revision of the Neotropical genus Rhabdotylus Lutz, 1913 (Diptera: Tabanidae), Biodiversity Data Journal 7, pp. 36277-36277 : 36277

Rhabdotylus venenatum (Osten Sacken, 1886)

Rhabdotylus venenatum Rhabdotylus venenatum Tabanus Osten Sacken 1886 Tabanus Aldrich 1905 Tabanus Kertész 1908 Gymnochela Kröber 1932 Ampichlorops Kröber 1934 Amphichlorops Pechuman 1942 Stone 1944 Stone 1944 Philip 1960 Stibasoma Fairchild 1961b Stibasoma Fairchild 1971 Fairchild 1986 Stibasoma Hogue and Fairchild 1974 Amphichlorops Fairchild 1975 Stibasoma venatum Moucha 1976 Stibasoma Wilkerson 1979 Fairchild and León 1986 Stibasoma Chainey 1990 Stibasoma Fairchild and Burger 1994 Stibasoma Coscarón and Papavero 2009

Materials

Type status: Lectotype. Occurrence: catalogNumber: NHMUK012805335 ; recordedBy: F.. Godman, O. Salvin; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Rhabdotylusvenenatum; originalNameUsage: Tabanus venenatus; family: Tabanidae; genus: Rhabdotylus; specificEpithet: venenatum; scientificNameAuthorship: Osten Sacken, 1886; Location: country: Panama; countryCode: PA; stateProvince: Chiriqui; locationRemarks: label transliteration: "LECTO- \ TYPE" "Co- \ type" "Tabanus \ venenatus \ O. S." "V. de Chiriqui, \ 2-2000 ft. \ Champion." "Central America. \ Pres. By \ F. D. Godman, \ O. Salvin. \ 1904 –85” "LECTOTYPE \ Stibasoma \ venenata \ Osten Sacken \ det. \ C. B. Philip 53" "BMNH(E) # \ 253483"; Record Level: institutionID: The Natural History Museum, London; institutionCode: BNHM; basisOfRecord: PreservedSpecimen Type status: Paralectotype. Occurrence: catalogNumber: NHMUK012805336 ; recordedBy: F.. Godman, O. Salvin; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Rhabdotylusvenenatum; originalNameUsage: Tabanus venenatus; family: Tabanidae; genus: Rhabdotylus; specificEpithet: venenatum; scientificNameAuthorship: Osten Sacken, 1886; Location: country: Guatemala; countryCode: GT; locality: Sinanja ; locationRemarks: label transliteration: "PARA- \ LECTO- \ TYPE" "Co- \ type" "Tabanus \ venenatus \ O. S." "Sinanja, \ Vera Paz. \ Champion." "Central America. \ Pres. By \ F. D. Godman, \ O. Salvin. 1904 –85.” "BMNH(E) # \ 253484"; Record Level: institutionID: The Natural History Museum, London; institutionCode: BNHM; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: USNMENT01518382 ; recordedBy: Andrea Langley, Jeffrey Cohen; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Rhabdotylusvenenatum; family: Tabanidae; genus: Rhabdotylus; specificEpithet: venenatum; Location: country: Ecuador; countryCode: EC; stateProvince: Cotopaxi; locality: Latacunga ; locationRemarks: label transliteration: "ECUADOR Cotopaxi \ Latacunga, 117 Km W \ 1 July 1975 3000'\ Andrea Langley \ Jeffrey Cohen" "Ecuador - Peace Corps \ Smithsonian Institution \ Aquatic Insect Survey" "Stibasoma \ (Rhabdotylus) \ venenata O. S. \ Det. 1976 \ G. B. Fairchild"; Record Level: institutionID: U. S. National Entomological Collection; institutionCode: USNM; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: USNMENT01518383 ; recordedBy: Pab. Schild, A. L. Melander; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Rhabdotylusvenenatum; family: Tabanidae; genus: Rhabdotylus; specificEpithet: venenatum; Location: country: Costa Rica; countryCode: CR; locality: La Suiza ; locationRemarks: label transliteration: "I 01" "Costa Rica \ La Suiza '23 \ Pab. Schild" "ALMelander \ Collection \ 1961" "St. (Rhabdotylus) \ venenata O. S. \ det. Fairchild 1963"; Record Level: institutionID: U. S. National Entomological Collection; institutionCode: USNM; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: USNMENT01518384 ; recordedBy: R. J. Anduze; individualCount: 1; sex: female; lifeStage: adult; Taxon: scientificName: Rhabdotylusvenenatum; family: Tabanidae; genus: Rhabdotylus; specificEpithet: venenatum; Location: country: Venezuela; countryCode: VE; stateProvince: Miranda; locality: San Carlos ; locationRemarks: label transliteration: "San Carlos \ Estado Miranda \ Venez. 17.VIII.42 \ 1460 mts \ R. J. Anduze" "Stibasoma \ (Rhabdotylus) \ venenatus O.S. \ det. Fairchild 1955"; Record Level: institutionID: U. S. National Entomological Collection; institutionCode: USNM; basisOfRecord: PreservedSpecimen

Description

Female (holotype). Head. Frons narrow, light brown, with sparse black hairs and silver pollinosity along the margins of the eyes. Frontal Index: 3.65. Divergence Index: 1. Subcallus yellow, with dense yellow pollinosity. Scape and pedicel yellow to light brown, with black hairs and some yellow hairs mixed and some yellow pollinosity. Flagellum orange with short white hairs, apical flagellomeres missing. Clypeus yellow with dense yellow pollinosity and yellow hairs. Gena and postgena yellow with dense yellow pollinosity and yellow hairs. Palpus yellow with yellow hairs.

Thorax. Scutum light brown with sparse black hairs, scutellum yellow to green with sparse black hairs and white pollinosity. Postpronotal lobe and notopleuron yellow to light brown, with white pollinosity and black hairs. Proepisternum and proepimerum yellow with white pollinosity and yellow hairs. Anepisternum, katepisternum, anepimeron, katepimeron, and katatergite yellow with white pollinosity and yellow hairs. Coxa yellow, with white pollinosity and yellow hairs. Femur yellow with yellow hairs and slightly darker with black hairs distally. Tibiae 1 and 2 yellow with white hairs in proximal half, distal half brown with dark brown to black hairs. Tibia 3 brown with dark brown to black hairs. Tarsus brown with dark brown to black hairs. Pterostigma yellow. Venation brown. Halter yellow, with white apex.

Abdomen. Abdomen predominantly yellow to green with sparse black hairs, and white hairs laterally on tergites 1-5. Tergites 1-3 yellow to green with a lighter band distally and sparse black hairs. Remaining tergites slightly darker and with more black hairs distally. Sternites yellow with a thin lighter band distally, and white to yellow hairs.

Measurements: Body length: 16mm. Wing length: 15mm.

Figs 4, 5, 6

Distribution

Guatemala, Costa Rica, Panama, Colombia, Venezuela, Ecuador, Peru.

Figures

Figure 6. Known geographic range of Rhabdotylus venenatum (Osten Sacken, 1886).