Amnestus sinuosus 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 : 427

Amnestus sinuosus Mayorga and Cervantes

( Figs. 6n , 7n , 10b)

Amnestus sinuosus Mayorga and Cervantes, 2005 , 170–171

Diagnosis. Juga with four pegs, pronotum mesially smooth, anterior half with sparse setigerous punctures. Prosternal carina low, with sinuate margin and slightly elevated posteriorly. Body length 2.6 to 2.9 mm.

Description. Head. Dorsal surface with punctures, tylus slightly longer than juga ( Fig. 10b). Pronotum. Anterior margin concave, with a series of setigerous punctures, anterolateral margins slightly carinate. Propleura smooth, prosternal carina low with ventral margin sinuate, slightly elevated posteriorly. Mesopleura. Evaporatorium rough, covering half of pleura. Metapleura elevated, evaporatorium reaching middle of pleura, posterior margin toothed; peritreme elongate and curved apically. Abdomen. Covered by fine setae laterally, mesially without setae. Scutellum. Triangular, disc with punctures uniformly distributed. Hemelytra. With fine punctures; clavus with three rows of setigerous punctures; membrane hyaline slightly surpassing apex of abdomen. Legs. Fore tibiae with five spines on dorsal margin, with median angulation ( Fig. 6n ); ventral and dorsal margins of hind femora smooth, with one single spine near apex on ventral margin ( Fig. 7n ).

New record. Mexico, Chiapas, Yaxoquintela, Chiapas Mexico, 16˚58’ N, 91˚47’ W, 560 m, 21–30-VIII-1978, J. Rawlins, 26 ♀, 25 ♂ (CMN, CNIN, ECOSUR, IEXA).

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

Figures

FIGURES 6 A – O. Male fore leg, anterior view. a. A. bergrothi Distant, b. A. carinopilosus new species, c. A. chiapensis new species, d. A. cristobalensis new species, e. A. denticulatus new species, f. A. laevifemoralis new species, g. A. longinoi new species, h. A. lorenae new species, i. A. marcelae new species, j. A. puncticarinatus new species, k. A. santiagensis new species, l. A. septemclavatus new species, m. A. stali Distant, n. A. sinuosus, o. A. basidentatus.

FIGURES 7 A – Q. Male hind leg, posterior view. a. A. bergrothi Distant, b. A. carinopilosus new species, c. A. chiapensis new species, d. A. cristobalensis new species, e. A. denticulatus new species, f. A. laevifemoralis new species, g. A. longinoi new species, h. A. lorenae new species, i. A. marcelae new species, j. A. puncticarinatus new species, k. A. santiagensis new species, l. A. septemclavatus new species, m. A. stali Distant, n. A. sinuosus, o. A. brunneus, p. A. ficus, q. A. pusillus.