Blackburneusamazonicus, 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 : 18

Blackburneusamazonicus newspecies

( Fig. 160-164 )

Typelocality. Fazenda Porto Alegre, 70 Km Nof Manaus, Amazonas, Brazil.

Type repository. Florida State Collection of Arthropods. Gainesville, FL ( U.S.A.).

Description. Length 3.0- 3.5 mm; shortly oval, convex, shiny, glabrous. Dark red; elytral suture darker; legs dark red; antennalclub testaceous. Head with epistome almost flat, dually irregularly punctured; larger punctures lacking distally; clypeus not at all sinuate at middle, almost semicircular, finely bordered, edge moderately upturned, glabrous; genae round, not protruding from the eyes, not ciliate; frontal suture distinctly impressed; front dually, rather regularly and coarsely punctured; eyes rather large. Pronotum transverse, convex, dually punctured; large punctures, about eight times larger than small, denser on sides, sparser toward disc and therein lacking; very small and fine punctures sparsely scattered throughout; lateral margins moderately arcuate, finely bordered, edge glabrous; hind angles obtusely round; basal margin faintly bisinuate and with a contiguous series of large coarse punctures. Scutellum almost ogival, finely irregularly punctured on basal half. Elytra elongate, subparallel-sided; striae moderately impressed, rather strongly punctured, subcrenulate; interstriae very finely, irregularly punctured. Hind tibiae superior apical spur somewhat shorter than first tarsal segment; latter shorter than following three segments combined. Male: metasternal plate excavate and with distinct longitudinal groove; aedeagus Fig. 162-163 . Female: metasternal plate almost flat, with longitudinal groove nearly faint.

Type material. Brazil: Amazonas , 70 Km Nof Manaus, Fazenda Porto Alegre, 15.VI.1986, bait: human dung, habitat: mature forest reserve, leg. B. Klein (holotype male and allotype, FSCA) ; idem, 14.VI.1986 (2 exx. paratypes, FSCA; 1 ex., paratype, DCGI) ; idem, 16.VI.1986 (1ex., paratype, FSCA; 1 ex., paratype, DCGI) ; Amazonas , Fazenda Esteio, Rd. ZF 3. Km 23, 4.VII.1985, bait: human dung, habitat: mature forest reserve, leg. B. Klein (2 exx., paratypes, FSCA) ; idem, 20.VII.1985 (1 ex., paratype, FSCA; 1 ex., paratype, DCGI) ; Amazonas , 70 Km Nof Manaus, Fazenda Dimona, 14.VI.1986, bait: human dung, habitat: mature forest reserve, leg. B. Klein (1ex., paratype, FSCA) .

Distribution. Known only from the localities of the type series.

Etymology. Named after the type locality.

Bionomy. All the specimens of the type series were collected in Summer, in traps baited with human dung.

Figures

Figures 160-164. Blackburneus amazonicus, new species (Fazenda Porto Alegre, 70 Km N of Manaus, Amazonas, Brazil). 160-161) Habitus (morphological details and length ideogram). 162-163) Aedeagus (dorsal and lateral view). 164) Epipharynx.