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 *

Tuberculefferia Artigas & Papavero, 1997
[Apocleinae: Efferia-group]

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

Description:	Artigas, J.N. & Papavero, N. (1997): The American genera of Asilidae (Diptera): Keys for identification with an atlas of female spermathecae and other morphological details. IX.2. Subfamily Asilinae Leach - Efferia-group, with the proposal of five new genera and a catalogue of the species. - Arquivos de Zoologia do Estado de Sao Paulo 34(3): 65-95 [90]; Sao Paulo.
Type species:	Erax tuberculatus Coquillett, 1904: 34

Literature:	Coquillett, D.W. (1893): A new asilid genus related to Erax. - The Canadian Entomologist 25: 175-177; Ottawa [key]. Hine, J.S. (1919): Robber flies of the genus Erax. - Annals of the Entomological Society of America 12(2): 103-157, pls. 7-9; Columbus [key]. Wilcox, J. (1966): Efferia Coquillett in America North of Mexico (Diptera, Asilidae). - Proceedings of the California Academy of Sciences 34: 85-234; San Francisco [key]. Parks, L. (1968): Synopsis of robberfly genera allied to Efferia and Eicherax, including a new genus. - Pan-Pacific Entomologist 44: 171-179; San Francisco [key].

Nearctic species:

Tuberculefferia producta (Hine, 1919)

Tuberculefferia setigera (Wilcox, 1966)

Tuberculefferia spiniventris (Hine, 1919)

Tuberculefferia tuberculata (Coquillett, 1904)

Tuberculefferia tucsoni (Wilcox, 1966)

Tuberculefferia tuberculata (Coquillett, 1904)

- male -

- female -

Key to the species

Founded on: Wilcox, J. (1966): Efferia Coquillett in America North of Mexico (Diptera, Asilidae). - Proceedings of the California Academy of Sciences 34: 85-234; San Francisco. [amended]

	Males.
	Females.

	Sternite 8 produced and as long or longer than sternite 7. Tubercles all acute at apex. Length 14-21 mm . . . . . Tuberculefferia tuberculata (Coquillett, 1904) [TX, AZ, NM, OK, CO?, KS?, MEX]
	Sternite 8 shorter than 7. Tubercles on sternites 4-5 obtuse or divided apically.

	Hypopygium and tubercles black.
	Hypopygium and tubercles reddish.

	Mystax with many black bristles. 8 black scutellar bristles. Abdominal segment 3 with a brush of black bristles apically on both the tergite and sternite. Length 16-24 mm . . . . . Tuberculefferia setigera (Wilcox, 1966) [CA, MEX, BCF]
	Mystax white. 4 white scutellar bristles. No black bristles on the abdominen. Length 15-17 mm . . . . . Tuberculefferia producta (Hine, 1919) [CA, AZ, UT, MEX]

	Palpi black haired. Lower forceps about half the length of the surstyli, ventral fringe short and of uniform width. Length 11-15 mm . . . . . Tuberculefferia tucsoni (Wilcox, 1966) [AZ, CA, NV, NM, UT]
	Palpi white haired. Lower forceps about three-quarters length of the surstyli, ventral fringe broad basally and narrowing at apex. Length 12-15 mm . . . . . Tuberculefferia spiniventris (Hine, 1919) [AZ, NM]

	Hairs on the palpi usually all white. Ovipositor short and broad, 2.8 mm long, at middle one-quarter as long as broad . . . . . Tuberculefferia spiniventris (Hine, 1919) [AZ, NM]
	Hairs on the palpi largeley black. Ovipositor longer and narrower.

	Mystax with many black bristles above. 2 black scutellar bristles. Ovipositor 4.1 mm long, at middle 1/7 as wide as long . . . . . Tuberculefferia setigera (Wilcox, 1966) [CA, MEX, BCF]]
	Mystax white, sometimes a few black bristles above, or below laterally. Scutellar bristles white.

	Anterior hairs on scutum subequal in length to scape. 2-4 black anterior dorsocentral bristles. Ovipositor 3.0-3.9 mm long, at middle 1/6 as wide as long . . . . . Tuberculefferia producta (Hine, 1919) [CA, AZ, UT, MEX]
	Anterior hairs on scutum subequal in length to pedicel. No black anterior dorsocentral bristles.

	Ovipositor reddish basally, constricted at basal one-third. No black hairs on venter of abdomen. Ovipositor 3.6 mm long, at middle 1/7 as wide as long . . . . . Tuberculefferia tucsoni (Wilcox, 1966) [AZ, CA, NV, NM, UT]
	Ovipositor black, not constricted basally but frequently twisted, 3.8 to 4.7 mm long, at middle 1/8 as wide as long. Sternite 7 apically with black hairs . . . . . Tuberculefferia tuberculata (Coquillett, 1904) [TX, AZ, NM, OK, CO?, KS?, MEX]