Catalogue of the Nearctic genera

Keys Comparison Catalogue Terminology Notes

Metapogon Coquillett, 1904
[Stenopogoninae: Cyrtopogonini]

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

Description:	Coquillett, D.W. (1904): New North American Diptera. - Proceedings of the Entomological Society of Washington 6: 166-192 (177-186) [181]; Washington.
Type species:	Metapogon gilvipes Coquillett, 1904: 182

Literature:	Melander, A.L. (1923): Studies in Asilidae (Diptera). - Psyche. A Journal of Entomology. Cambridge Entomological Club 30(6): 207-219; Cambridge [key]. Wilcox, J. (1964): The genus Metapogon (Diptera: Asilidae). - Pan-Pacific Entomologist 40: 191-200; San Francisco [key]. Wilcox, J. (1972): New species of robber flies of the genera Wilcoxia and Metapogon. - Bulletin of the southern California Academy of Sciences 71: 43-47; Los Angeles.

Nearctic species:

Metapogon albula Melander, 1924

Metapogon amargosae Wilcox, 1972

Metapogon carinatus Wilcox, 1964

Metapogon gibber (Williston, 1883)

Metapogon gilvipes Coquillett, 1904

Metapogon holbrooki Wilcox, 1964

Metapogon hurdi Wilcox, 1964

Metapogon leechi Wilcox, 1964

Metapogon obispae Wilcox, 1972

Metapogon pictus Cole, 1916

Metapogon punctipennis Coquillett, 1904

Metapogon tarsalus Wilcox, 1964

Metapogon tricellus Wilcox, 1964

- male -

- female -

Key to the species

Founded on: Wilcox, J. (1964): The genus Metapogon (Diptera: Asilidae). - Pan-Pacific Entomologist 40: 191-200; San Francisco. [amended]

	Wings hyaline, usually with small brown clouds on the crossveins and furcations and sometimes at the tip of the wings.
	Wings yellowish brown, the color intensified on the crossveins and furcations.

	Wings clear hyaline. Abdomen silvery gray pollinose, base of segments 2-5 very narrowly devoid of pruinosity. Legs black, knees very narrowly yellowish. Length 7 mm . . . . . Metapogon albula Melander, 1924 [WA, ID]
	Wings at least with brown spots on the crossveins and furcations.

	Bristles on scutum and scutellum white. Scape and pedicel yellowish. Third vein branched opposite the discal crossvein and usually without a stump vein. Length 7-8 mm . . . . . Metapogon punctipennis Coquillett, 1904 [NM, AZ, CA, TX, MEX, COA]
	Bristles on scutum and scutellum black. Antennae black. Third vein branched before discal crossvein and with a stump vein.

	Hairs on the central stripe of the scutum white.
	Hairs on the central stripe of the scutum black [a few M. carinatus have white hairs].

	Hairs on the central stripe of the scutum subequal in length to combined length of scape and pedicel. Bristles on the anterior central stripe present. Length 8-9 mm . . . . . Metapogon amargosae Wilcox, 1972 [NV, AZ, CA]
	Hairs on the central stripe of the scutum subequal in length to scape. No bristles on the anterior central stripe.

	Three submarginal cells. The tip of the wings hyaline. Occipital and bristles below on antennae, yellowish white. Anterior corners of abdominal segments bare of tomentum, dorsum shining black. Length 6 mm . . . . . Metapogon tricellus Wilcox, 1964 [CA, NV, MEX, BCF]
	Two submarginal cells. Wings with a brown clud apically. Occipital and bristles below on antennae, brownish to black. Lateral margins of abdominal segments tomentose, dorsum thinly brown tomentose, subshining. Length 6 mm . . . . . Metapogon pictus Cole, 1916 [CA, NV]

	Central stripe of scutum with long sparse black bristles or hairs. Tip of wings narrowly clouded. Abdomen except for anterior fasciae and posterior spots, subshining black, largely covered with brown tomentum. Length 8-9 mm . . . . . Metapogon gibber (Williston, 1883) [CA, MEX, BCF]
	Central stripe of scutum anteriorly with a dense mane of black bristles. Tip of wings hyaline. Abdomen bare of tomentum and shining black except for anterior fasciae and posterior spots. Length 9 mm . . . . . Metapogon carinatus Wilcox, 1964 [CA, UT?, MEX, BCF]

	Two marginal scutellar bristles.
	Four or more marginal scutellar bristles.

	Scutellar bristles black. Third vein branched beyond end of discal cell and without stump vein. Legs brownish yellow, tarsomeres darker. Fore tarsomeres slender and 1.2 times the length of tibiae. Length 6-8 mm . . . . . Metapogon gilvipes Coquillett, 1904 [CA]
	Scutellar bristles white. Third vein branched before end of discal cell and with a stump vein. Femora black except at tip and tarsomeres reddish. Fore tibiae and tarsomeres subequal in length.

	Scutellum tomentose. Anterior fasciae and posterior tomentose spots widely separated on male abdomen and on segments 2-4 of female abdomen. Length 7 mm . . . . . Metapogon holbrooki Wilcox, 1964 [AZ]
	Disc of scutellum bare of tomentum. Anterior fasciae and posterior tomentose spots broadly connected on male abdominal segments 2-6. Length 8 mm . . . . . Metapogon leechi Wilcox, 1964 [MEX, BCS]

	Pulvilli 2/5 length of the claws. Length 6-7 mm . . . . . Metapogon hurdi Wilcox, 1964 [CA]
	Pulvilli 4/5 length of the claws.

	Abdomen all tomentose. Scutum without bare spots. Length 6-8 mm . . . . . Metapogon obispae Wilcox, 1972 [CA]
	Sides and broad anterior margins of abdominal segments tomentose, connected sometimes on segments 5-6. Scutum with bare lateral spot behind suture and another between postalar callosity and dorsocentral rows shining black. Length 7-8 mm . . . . . Metapogon tarsalus Wilcox, 1964 [CA]