Catalogue of the Nearctic genera

Keys Comparison Catalogue Terminology Notes

Asilinae
Asilus
Dicropaltum
Machimus
Negasilus
Neoitamus
Neomochtherus
Philonicus
Polacantha *
Prolatiforceps
Rhadiurgus
Tolmerus
Wyliea

Polacantha Martin, 1975
[Asilinae]

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

Description:	Martin, C.H. (1975): The generic and specific characters of four old and six new Asilini genera in the Western United States, Mexico and Central America (Diptera: Asilidae). - Occasional Papers of the California Academy of Sciences 119: 1-107 [49]; San Francisco.
Type species:	Asilus compositus Hine, 1918: 321
Synonyms:	Echinitropis Martin, 1975
Literature:	Martin, C.H. (1975): The generic and specific characters of four old and six new Asilini genera in the Western United States, Mexico and Central America (Diptera: Asilidae). - Occasional Papers of the California Academy of Sciences 119: 1-107; San Francisco [key].

Nearctic species:

Polacantha arcuata Martin, 1975

Polacantha composita (Hine, 1918)

Polacantha gracilis (Wiedemann, 1828)

Polacantha grossa Martin, 1975

Polacantha pegma Martin, 1975

Polacantha sinuosa Martin, 1975

Polacantha composita (Hine, 1918)

- male -

- female -

Key to the species

Founded on: Martin, C.H. (1975): The generic and specific characters of four old and six new Asilini genera in the Western United States, Mexico and Central America (Diptera: Asilidae). - Occasional Papers of the California Academy of Sciences 119: 1-107 [79]; San Francisco. [amended]]

	Epandrium without a process projecting from its inner surface . . . . . Polacantha pegma Martin, 1975 [CA]
	Epandrium with a process projecting from its inner surface.

	Abdomen with ground colour red.
	Abdomen with ground colour black to dark red.

	Occipital bristles red. Face usually yellowish. Length 13-18 mm . . . . . Polacantha gracilis (Wiedemann, 1828) [GA, MD, FL, VA, NC, SC]
	Occipital bristles black. Face greyish. Length 15-16 mm . . . . . Polacantha grossa Martin, 1975 [TX]

	Thoracic ground colour black dorsally, reddish laterally and posteriorly . . . . . Polacantha sinuosa Martin, 1975 [TX, DUR, TAM, NLE]
	Thoracic ground colour red with median and lateral black stripes

	Antennal segments yellow, style brown. Ventral tubes about 2/3 as long as aedeagus. No short black bristles around transverse suture. Length 17-18 mm . . . . . Polacantha arcuata Martin, 1975 [AZ]
	Postpedicel and style brown. Ventral tubes about 1/8 to 1/12 as long as aedeagus. Short black bristles around transverse suture. Length 12-18 mm . . . . . Polacantha composita (Hine, 1918) [CA, OR, NV, UT, AZ, NM, TX, BCF, BCS, SON, CHA, SLP]