Agrilinellus abbonai, 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 : 4-6

Agrilinellus abbonai , new species

( Fig. 1-5 , 43 )

Type locality. Los Azufres , Laguna Larga, Michoacán, Mexico .

Type repository. Florida State Collection of Arthropods (Gainesville) .

Description. Length 5.0- 5.5 mm; oblong, convex, strongly shiny, glabrous. Black; tarsi and antennal club piceous. Head with epistome feebly gibbous on disc, finely almost irregularly punctured, punctation faint on disc sparser distally; clypeus slightly sinuate at middle, rounded at sides, thinly bordered, edge glabrous and faintly upturned; genae obtusely rounded, shortly ciliate, protruding more than eyes; frontal suture faintly impressed, medially almost obsolete, only laterally somewhat raised; frons sparsely irregularly punctured. Pronotum transverse, strongly convex, dually punctured; large punctures twice larger than small ones, lacking on disc, denser on sides; lateral margins feebly arcuate, thinly bordered, subparallel before hind angles; latter obtusely rounded; base slightly bisinuate, thinly bordered. Scutellum somewhat depressed at middle. Elytra oval elongate, strongly convex; epipleural carina subdenticulate at humerus; striae extremely fine, faintly punctured; intervals almost imperceptibly punctured. Hind tibiae superior apical spur as long as first tarsal segment; latter longer than following two combined. Male: pronotum relatively more convex, not narrowed anteriorly, more superficially sparsely punctured on disc; aedeagus Fig. 4-5 . Female: pronotum relatively less convex, somewhat narrowed anteriorly, more distinctly densely punctured on disc.

Type material. MEXICO, Michoacán: Laguna Larga, Los Azufres , 25.VIII.1985, leg. Zunino M., 1 ex. (Holotype, male, FSCA) and 8 ex. (Paratypes, DCGC) ; idem, m 2250, 17.VII.1988, leg. Zunino M., 1 ex. (Paratype, DCGC) ; S. Pedro Jácuaro , 26.VIII.1985, leg. Zunino M., 1 ex. (Paratype, PESC) .

Distribution. Mexico (Michoacán).

Etymology. Named in honor of Prof. Carlo Abbona, an eminent physician in Genoa, Italy.

Bionomics. Almost unknown, the specimens examined were collected in July and August.

Figures

Figure 1-10. Agrilinellus abbonai new species. (Los Azufres, Laguna Larga, Michoacán, Mexico). 1) Epipharynx. 2) Habitus. 3) Habitus of male (morphological details). 4-5) Aedeagus (dorsal and lateral view). Agrilinellus chiapasensis (Galante et al., 2003) (Monte Cristo, m 2300, 23 Km N Metapán, El Salvador). 6-7) Aedeagus (dorsal and lateral view). 8) Habitus of female (morphological details). 9) Habitus. 10) Epipharynx.

Figure 43-46. Agrilinellus spp., dorsal habitus. 43) A. abbonai new species (S. Pedro Jácuaro, Michoacán, Mexico). 44) A. oaxacaensis new species (Guelatao env., Oaxaca, Mexico). 45) A. azteca (Harold, 1863) (caminoex. a Potrero Nuevo, Cuiyachapa, Veracruz, Mexico). 46) A. chiapasensis (Galante et al., 2003) (Monte Cristo, 23 Km N Metapán, El Salvador).