Euotophorus imeldae, Dellacasa & Dellacasa & Gordon, 2016

Dellacasa, Marco, Dellacasa, Giovanni & Gordon, Robert D., 2016, Euotophorus imeldae new genus and new species of Mexican Aphodiini (Coleoptera: Scarabaeidae: Aphodiinae), Insecta Mundi 2016 (507), pp. 1-3 : 2-3

Euotophorus imeldae new species

( Fig. 1–5 )

Type locality. El Salto dint. W, km 125 carr. El Salto to Mazatlán, 23°45’20.6”N – 105°31’17.0”W, m 2400, Estado de Durango, Mexico.

Type repository. Dellacasa collection, Genoa, Italy.

Description of male. Length 4.5 mm; short, broadly oval, moderately convex, shiny, glabrous. Dark reddish brown; clypeal margin, anterior angles of pronotum, legs and antennal club somewhat paler. Head with epistome moderately convex on disc, alutaceous, irregularly, rather coarsely and closely punctured; punctation distally confuse, medially sparser and superficial; clypeus feebly sinuate at middle, widely round at sides, thinly bordered, edge slightly reflexed, laterally shortly sparsely bristled; genae round, strongly auriculate, sparsely ciliate, protruding from the eyes; frontal suture finely impressed, not tuberculate; front distinctly, evenly, not closely punctured. Pronotum transverse, moderately convex, somewhat flattened on sides, more evidently so toward anterior angles, dually not closely punctured; large punctures, twice to three times larger than small, denser on sides but lacking medially; small rather coarse punctures somewhat sparser on disc; lateral margins feebly arcuate, rather thickly bordered, edge almost glabrous; hind angles widely subtruncate; base regularly arcuate, not bordered. Elytra convex, broadly widened posteriorly, deeply finely striate; striae rather deeply punctured, feebly crenulate; interstriae flat, distinctly sparsely punctured; metasternal carina strongly evident in posterior third. Hind tibiae superior spur shorter than first tarsal segment; latter longer than following three segments combined. Aedeagus Fig. 2–3 . Female: unknown.

Type material. MEXICO: Durango: km 125 carr. El Salto to Mazatlán, El Salto dint. W, 23°45’20.6”N- 105°31’17.0”W, m 2400, 20.VII. 2004, leg. M. Dellacasa & I. Martínez (1 ex., holotype male, DCGI).

Distribution. Known from the type locality only.

Bionomics. The sole specimen known was collected in horse dung in summer.

Etymology. Named in honour of Imelda Martínez Morales, eminent Mexican scarabaeidologist.

Figures

Figure 1–5. Euotophorus imeldae new species (km 125 carr. El Salto to Mazatlán, El Salto dint. W, 23°45’20.6”N-105°31’17.0”W, m 2400, Estado de Durango, Mexico, holotype). 1) Epipharynx. 2–3) Aedeagus (dorsal and lateral views). 4–5) Habitus (length ideogram and morphological details).