Catalogue of the Nearctic genera

Keys Comparison Catalogue Terminology Notes

Apocleinae
Amblyonychus
Eccritosia
Furcilla
Mallophora
Megaphorus
Nevadasilus
Proctacanthella *
Proctacanthus
Promachella
Promachus
Efferia-group
Albibarbefferia
Aridefferia
Carinefferia
Efferia
Nerax
Pogonioefferia
Triorla
Tuberculefferia

Proctacanthella Bromley, 1934
[Apocleinae]

Neotropical	Nearctic	Palaearctic	Afrotropical	Oriental	Australian & Oceania
?	typ.loc.

Description:	Bromley, S.W. (1934): The robber flies of Texas (Diptera, Asilidae). - Annals of the Entomological Society of America 27: 74-113 [96]; Columbus.
Type species:	Asilus cacopilogus Hine, 1909: 165

Literature:	Bromley, S.W. (1935): Notes on Texas robber flies with the description of new species of Proctacanthella (Asilidae: Diptera). - Occasional Papers of the Museum of Zoology. University of Michigan 304: 7 pp.; Ann Arbor [key]. James, M.T. (1941): The robber flies of colorado (Diptera, Asilidae). - Journal of the Kansas Entomological Society 14(1): 27-53; Manhattan - Lawrence [key]. Wilcox, J. (1965): Proctacanthella Bromley (Diptera: Asilidae). - Journal of the Kansas Entomological Society 38: 106-110; Manhattan - Lawrence [key]. Schaefer, K.F. (1968): The Asilinae (Diptera, Asilidae) of Oklahoma. - Proceedings of the Oklahoma Acadademy of Science 47: 114-124; Norman [key].

Nearctic species:

Proctacanthella cacopiloga (Hine, 1909)

Proctacanthella exquisita (Osten-Sacken, 1887)

Proctacanthella leucopogon (Williston, 1893)

Proctacanthella robusta Bromley, 1951

Proctacanthella tolandi Wilcox, 1965

Proctacanthella wilcoxi Bromley, 1935

Proctacanthella tolandi Wilcox, 1965

- male -

- female -

Key to the species

Founded on: Wilcox, J. (1965): Proctacanthella Bromley (Diptera: Asilidae). - Journal of the Kansas Entomological Society 38: 106-110; Manhattan - Lawrence. [amended]

	Radial-medial crossvein r-m at or before middle of dical cell.
	Radial-medial crossvein r-m beyond middle of dical cell.

	Hypandrium (sternite 9) with a long pencil of dense white hairs at apex. Female tergite 8 with fine white hairs. Radial-medial crossvein r-m at, male 0.5, female 0.46, length of discal cell. Length 12-19 mm . . . . . Proctacanthella cacopiloga (Hine, 1909) [TX, KS, NJ, IL, OK, NE, MT, ND, SD, WY, CO, NM, AR, CO, UT, IN, ALB, MAN, SKW]
	Hypandrium with short sparse white hairs which are longer on the apical margin. Female tergite 8 with fine erect yellowish hairs. Radial-medial crossvein r-m at, male 0.46, female 0.43, length of discal cell. Length 15-24 mm . . . . . Proctacanthella wilcoxi Bromley, 1935 [TX, OK?]

	Postocular (occipital) bristles lagely and scutellar bristles in part, black. Femora largely black, female fore and middle femora reddish at base and apex. Radial-medial crossvein r-m at, male 0.62, female 0.61, length of discal cell. Length 18-23 mm . . . . . Proctacanthella robusta Bromley, 1951 [TX, MEX]]
	Postocular (occipital) bristles and scutellar bristles all white.

	Abdomen yellowish gray pollinose with a narrow dorsal stripe brown, most prominent on segments 2-5. Hypandrium with a fan of white hairs on either side near the middle. Female tergite 8 with numerous short, stout white hairs. Radial-medial crossvein r-m at, male 0.59, female 0.56, length of discal cell. Length 18-26 mm . . . . . Proctacanthella exquisita (Osten-Sacken, 1887) [AZ, CO, OK, NM, UT?, MEX]]
	Abdomen uniformely pollinose or the segments brownish with gray margins.

	Abdomen wholly grayish white pollinose. Mystax extending nearly to antennae. Style 2.5 times length of postpedicel. Radial-medial crossvein r-m at, male 0.63, female 0.62, length of discal cell. Length 11-16 mm . . . . . Proctacanthella tolandi Wilcox, 1965 [CA, AZ, MEX?]
	Abdomen brownish pollinose, the margins gray. Mystax removed from antennae by length of scape. Style subequal in length to postpedicel. Radial-medial crossvein r-m at, male 0.61, female 0.59, length of discal cell. Length 13-22 mm . . . . . Proctacanthella leucopogon (Williston, 1893) [SD, NE, MT, WY, UT, NV, CA, AZ, NM, CO, KS, OK, TX, MEX]