Coelotrachelus burgosi ( Deloya and McCarty, 1992 )

Dellacasa, Marco, Dellacasa, Giovanni & Gordon, Robert D., 2009, Systematic revision of the genus Coelotrachelus Schmidt, 1913 (Scarabaeoidea: Scarabaeidae: Aphodiinae), Insecta Mundi 2009 (86), pp. 1-13 : 2-4

Coelotrachelus burgosi ( Deloya and McCarty, 1992)

( Fig. 1-6 )

Aphodius (Coelotrachelus) burgosi Deloya and McCarty 1992: 2 .

Coelotrachelus burgosi ; Skelley et al. 2007: 3 (new combination).

Type Iocality. Apancingo de Michapa, m 1300, Morelos, Mexico.

Type repository. Instituto de Biologia (Xalapa, Veracruz, Mexico) (holotype male examined).

Redescription. Length 6.0 mm, elongate, moderately convex, strongly shiny, glabrous. Reddish, legs and antennal club somewhat darker. Head wide with epistome faintly gibbous on disc, evenly very finely punctured throughout; clypeus feebly sinuate at middle, denticulate at sides, the lateral margins elongately rather sparsely ciliate; genae obtusely angulate, ciliate, protruding more distinctly than eyes; frontal suture obsolete; front evenly almost imperceptibly punctured. Pronotum broadly transverse, flattened on sides, doubly punctured, very small punctures almost imperceptible and evenly scattered throughout, large punctures irregularly sparse on sides and somewhat denser before hind angles; sides strongly arcuate, distinctly bordered, border anteriorly shortly ciliate, S-shaped before hind angles and narrowed to fifth elytral striae level; hind angles acutely dentiform; base distinctly bisinuate, very thinly bordered. Scutellum elongate, somewhat depressed at middle toward the base, faintly punctured. Elytra oval-elongate, not denticulate at shoulder; striae fine, superficially punctured, subcrenulate; intervals flat, very sparsely and almost imperceptibly punctured. Hind tibial upper spur somewhat shorter than first tarsal segment; latter as long as following three segments combined. Male fore tibiae slender, apical spur stout, inwardly curved and downwardly bent; aedeagus Fig. 2-3 . Female unknown.

Material examined. MEXICO, Morelos: Apancingo de Michapa, m 1300, 24.VII.1988, CCB-126 ( IBXM).

Distribution. Known from type locality only.

Bionomics. The holotype was collected at light at the end of July.

Figures

Figures 1-6. Coelotrachelus burgosi (Deloya and McCarty, 1992), [Apancingo de Michapa, m 1300, Morelos, Mexico, holotype. 1) Habitus (morphological details). 2-3) Aedeagus (dorsal and lateral view). 4) Habitus. 5) Left fore tibia of male (dorsal view). 6) Epipharynx.