Agrilinellus nuriae, Dellacasa & Dellacasa & Gordon, 2008

Dellacasa, Marco, Dellacasa, Giovanni & Gordon, Robert D., 2008, Agrilinellus, new genus and four new species of Mexican Aphodiini (Scarabaeoidea: Scarabaeidae: Aphodiinae), Insecta Mundi 2008 (53), pp. 1-16 : 12

Agrilinellus nuriae , new species

( Fig. 33-37 , 47 )

Type locality. MEXICO, Nuevo León, Cerro El Potosí, 24 o 52’28.1"N- 100 o 13’14.9"W , m 3274.

Type repository. Dellacasa Collection. Genoa ( Italy) .

Description. Length 3.0- 3.5 mm; oblong, convex, shiny, almost glabrous. Blackish; clypeal margin and pronotal anterior angles shadowy reddish; elytra reddish with sutural margin brownish; legs brownishred with paler tarsi; antennal club piceous. Head with epistome weakly convex, coarsely, regularly, not closely punctured; punctation distally confusedly subrugose; clypeus feebly sinuate at middle, rounded at sides, almost thickly bordered, the edge glabrous, somewhat upturned; genae rounded, ciliate, weakly protruding more than eyes; frontal suture subcariniform; frons evenly coarsely punctured. Pronotum moderately transverse, strongly convex, dually coarsely subregularly punctured; large punctures, five to six times larger than small, umbilicate and scattered throughout; lateral margins subparallel, distinctly bordered, edge glabrous; hind angles obtusely rounded; base thickly bordered. Scutellum elongate, sparsely coarsely punctured on two basal two thirds. Elytra elongate, feebly widened posteriorly; striae deep, strongly punctured, distinctly crenulate; intervals feebly convex, finely sparsely punctured, almost imperceptibly pubescent on preapical declivity. Hind tibiae superior apical spur somewhat shorter than first tarsal segment; latter shorter than following three combined. Male: fore tibiae apical spur relatively stouter and downward bent; pronotum not narrowed anteriorly; metasternal plate concave, punctured, laterally pubescent; aedeagus Fig. 36-37 . Female: fore tibiae apical spur slender and almost straight; pronotum somewhat narrowed anteriorly; metasternal plate almost flat, more sparsely punctured, glabrous.

Type material. Mexico, Nuevo León: Cerro El Potosí , 24 o 52’28.1"N- 100 o 13’14.9"W, m 3274, 4.VII.2006, leg. Dellacasa M., Fresi C. & Martínez I., cow dung, 1 ex. (Holotype, male, DCGC) and 5 ex. (Paratypes, DCGC, FSCA) .

Distribution. Known from the type locality only.

Etymology. Named in honor of scarabaeidologist Dr. Nuria Trotta Moreu.

Bionomics. Almost unknown, the specimens were collected in July in cow dung.

Figures

Figure 33-42. Agrilinellus nuriae new species (Cerro El Potosí, Nuevo León, Mexico). 33) Epipharynx. 34) Habitus. 35) Habitus of male (morphological details). 36-37) Aedeagus (dorsal and lateral view). Agrilinellus antonioreyi new species (rd Mex 41 Patzcuaro-Tacámbaro, Sta. Clara del Cobre env., Michoacán, Mexico). 38-39) Aedeagus (dorsal and lateral view). 40) Habitus of male (morphological details). 41) Habitus. 42) Epipharynx.

Figure 47-49. Agrilinellus spp., dorsal habitus. 47) A. nuriae new species (Cerro El Potosí, Nuevo León, Mexico). 48) A. ornatus (Schmidt, 1911) (Cuiyachapa, Veracruz, Mexico). 49) A. antonioreyi new species (Centro Ceremonial Otomi env., México, Mexico).