Aiolopus Fieber, 1853

Usmani, Mohammad Kamil, 2008, A new species of the genus Aiolopus Fieber (Oedipodinae: Acrididae) from Libya, Insecta Mundi 2008 (41), pp. 1-14 : 2

Key to species of the genus Aiolopus Fieber recorded from Fezzan, Libya

(modified from Hollis 1968)

1. Hind femur not abnormally broad; hind tibia as long as or slightly shorter than hind femur, with at least nine to twelve outer and ten to thirteen inner spines .................................................. 2

— Hind femur very broad; hind tibia considerably shorter than hind femur, with a maximum of nine outer and ten inner spines ................................................................................................ 3

2(1). Antennae as long as head and pronotum together; fastigial foveolae about twice as long as wide; pronotum not flat dorsally, with prozonal constriction ( Hollis 1968; Fig. 11, 12); hind femur narrow, four times longer than wide; hind tibia as long as or very slightly shorter than hind femur ( Hollis 1968; Fig. 5 ), inner apical spurs about one and a half times as long as outer .... ............................................................................................ A. thalassinus ( Fabricius, 1781)

— Antennae shorter than head and pronotum together; fastigial foveolae about one and three quarter times as long as wide; pronotum almost flat dorsally, without prozonal constriction ( Hollis 1968; Fig. 13, 14); hind femur broad, three times longer than wide; hind tibia as long as hind femur ( Hollis 1968; Fig. 7), inner apical spurs slightly more than one and a half times as long as outer pair ............................................................................... A. strepens (Latreille, 1804)

3(2). Fastigium of vertex pentagonal, moderately concave, slightly longer than wide, apex narrowly rounded; fastigial foveolae rectangular; inner apical spurs slightly less than twice as long as outer pair; arolium half length of claw; both antennae normal ................................................. ................................................................................................... A. simulatrix ( Walker, 1870)

— Fastigium of vertex wide, convex, slightly depressed in middle, as long as wide, apex strongly narrowed; fastigial foveolae trapezoid; inner apical spurs slightly less than one and a half times as long as outer pair; arolium about one third length of claw; right antennae normal, left antennae short, 4-5 segmented, apical segment club-shaped ................... A. obariensis sp. n.

Figures

Figure 5. Aiolopus simulatrix (Walker). A) Female supra-anal plate and cerci. B) Female subgenital plate. C) Spermatheca. D) Ovipositor. E) Epiphallus. F) Aedeagus. G) Male supra-anal plate and cerci. H) Male subgenital plate