Blackburneus teposcolulaensis, Dellacasa & Dellacasa & Gordon, 2011

Dellacasa, Marco, Dellacasa, Giovanni & Gordon, Robert D., 2011, Systematic revision of the American taxa belonging to the genera Alloblackburneus Bordat, 2009, and Blackburneus Schmidt, 1913, with description of seven new species (Coleoptera: Scarabaeidae: Aphodiinae), Insecta Mundi 2011 (204), pp. 1-52 : 32-33

Blackburneus teposcolulaensis newspecies

( Fig. 140-144 )

Type locality. San Juan Teposcolula, m 2376, Estado de Oaxaca. Mexico.

Type repository. Dellacasa Collection, Genoa.

Description. Length 3.0-4.0 mm; shortly oval, strongly convex, rather dull; head and pronotum glabrous, elytra pubescent. Piceous, head and pronotum darker; legs brownish yellow, antennalclub fuscous. Head with epistome feebly gibbous on disc, widely flattened distally, superficially alutaceous, coarsely, evenly, not closely punctured throughout; punctation somewhat finer and sparser on disc; clypeus very feebly sinuate at middle, round at sides, thinly bordered, edge slightly reflexed, with extremely short sparse bristles; genae round, very shortly ciliate, not protruding from the eyes; frontal suture extremely fine, somewhat raised laterally; front coarselyevenly, notclosely punctured. Pronotum transverse, strongly convex, feebly alutaceous, duallydensely, somewhatirregularlypuncturedthroughoutexcept animpunctate narrow longitudinal areola, frontwardly shortened, large punctures, twice to three times larger than small ones, faintly umbilicate; lateral marginsfeebly arcuate, thinly bordered, edge very shortlybristled; hind angles broadly obtusely round; basal margin not bordered, crenulate by contiguous series of small punctures shortly bristled. Scutellum elongate, alutaceous, irregularly punctured on basal half, somewhat depressed at lateral margins. Elytra strongly convex, regularly oval; striae wide, moderately deep, with margins faintly reflexed, superficially punctured, not crenulate; interstriae almost flat, finely alutaceous, moderately roughly and rather irregularly punctured; each puncture with short pale hair. Hind tibiae superior apical spur shorter than first tarsal segment; latter longer than following two segments combined. Male: head andpronotum somewhat moreshinyand lessdensely punctured; metasternal plate with distinct longitudinal groove at middle; aedeagus Fig. 143-144 . Female: head and pronotum somewhat more dull and more densely punctured; metasternal plate very feebly grooved at middle.

Type material. MEXICO: Durango: Nueva Patria, rd. to San Miguel de Cruces , 24 o 05’07.5”N- 105 o 27’16.7”W, m 1950, 19.VII.2004, leg. M. Dellacasa & I. Martínez (horse dung) (1 paratype, DCGI) ; México: Salazar , 8.IX.1968, leg. M. Cabrera (excr. en bosque de Abies ) (1 paratype, DCGI) ; Michoacán: Patambán env., m 1800, 19 o 38’19.8”N- 102 o 16’29.2”W, 26.VII.2003, leg. M. Dellacasa & I. Martínez (1 paratype, DCGI) ; rd. Patzcuaro-Uruapán, Planta PEMEX Diablo de Zirahuén , 19 o 29’N- 101 o 48’W, m 2200, 23.VII.2001, leg. M. Dellacasa & I. Martínez (1 female, allotype; DCGI; 1 paratype, FSCA) ; Oaxaca: San Juan Teposcolula , 17 o 33’56.4”N- 97 o 25’32.8”W, m 2376, 1.VII.2007, leg. M. Dellacasa, C. Fresi & I. Martínez (horse dung) (1 male, holotype and 3 paratypes, DCGI; 1 paratype, FSCA) ; Aldama env .,

16 o 57’35.7”N- 97 o 36’05.0”W, m 2339, 2.VII.2007, leg. M. Dellacasa, C. Fresi & I. Martínez (3 paratypes, DCGI).

Distribution. Mexico (Durango, México, Michoacán, Oaxaca).

Etymology. Named after the type locality.

Bionomics. Most of the specimens of type series were collected in July in horse dung.

Figures

Figures 140-149. Blackburneus teposcolulaensis, new species (San Juan Teposcolula, Estado de Oaxaca, Mexico). 140) Epipharynx. 141-142) Habitus (length ideogram and morphological details). 143-144) Aedeagus (dorsal and lateral view). Blackburneus thomasi, new species (Hotel Flora & Fauna, Buenavista, Santa Cruz, Bolivia). 145) Epipharynx. 146-147) Habitus (morphological details and length ideogram). 148-149) Aedeagus (dorsal and lateral view).