Amnestus obscurus Mayorga and Cervantes

Martinez, Cristina Mayorga & Peredo, Luis Cervantes, 2014, The genus Amnestus Dallas (Hemiptera: Heteroptera: Cydnidae: Amnestinae) in Mexico, with the description of eleven new species from Chiapas, Zootaxa 3779 (4), pp. 401-432 : 415-416

Amnestus obscurus Mayorga and Cervantes

( Fig. 9b )

Amnestus obscurus Mayorga and Cervantes, 2005 , 168–169

Diagnosis. Juga with five pegs, anterior half of pronotum elevated; ventral margin of prosternal carina distinctly concave mesially, and elevated apically. Body length 2.81 ± 0.06 mm.

Description. Head: Anterior half without punctures; tylus with four robust spines on its apex, slightly longer than juga. Pronotum with anterior margin concave, anterior half elevated and with dense punctures. Propleura shiny and smooth; prosternal carina raised, concave mesially and anterior half elevated. Mesopleura with evaporatorium expanded to the posterior and lateral margins of pleura. Peritreme elongate and slightly bent; posterior margin of evaporatorium serrate with long setae. Scutellum. Triangular, wider than long, apex acute, disc dark brown and densely punctured. Hemelytra. With numerous punctures uniformly distributed; clavus with three rows of punctures, apical margin bisinuate; hemelytral membrane hyaline and slightly surpassing apex of abdomen. Abdomen. Ventrally convex, dark brown, with numerous long setae in lateral view. Legs. Fore tibiae with seven spines on ventral margin; fore femora with a bifid spine; ventral and dorsal margins of hind femora serrate, with a small tubercle on dorsal margin and a small, simple spine near apex on ventral margin.

Female genitalia. Spermatheca with receptacle completely spherical, as in figure 9b.

New records. Mexico, Chiapas, 8 km SE Salto de Agua, 17° 30' 54" N, 92° 17' 43" W, 70 m, 14-VI-2008, wet forest, cols. YMRA, MDEM, DJC, JM, JLC, 56 ♂, 24 ♀ (CNIN, ECOSUR, IEXA).

Distribution. Mexico: Chiapas, Veracruz. ( Mayorga & Cervantes, 2005)

Figures

FIGURES 9 A – D. Spermatheca. a. A. pusio b. A. obscurus, c. A. laevifemoralis, d. A. puncticarinatus