Ranomafanacrinus nigrinus Gimmel, 2013

Gimmel, Matthew L., 2013, <strong> Genus-level revision of the family Phalacridae (Coleoptera: Cucujoidea) </ strong>, Zootaxa 3605 (1), pp. 1-147 : 27

Ranomafanacrinus nigrinus Gimmel , sp. nov.

( Figs. 37d, e, f )

Holotype. Female , “ MADAGASCAR: Prov. \ Fianarantsoa, 7 km \ W Ranomafana, 1100m \ 22–31 October 1988 \ W. E. Steiner // Malaise trap in \ small clearing, \ montane \ rain forest // HOLOTYPE ♀ \ Ranomafanacrinus \ nigrinus Gimmel \ des. M.L. Gimmel 2011 [red label]” ( USNM), point mounted.

Paratypes. None.

Description. Total length 2.4 mm. Broadly ovate, highly convex dorsally. Dorsal color solid black; underside with hints of dark reddish-brown; femora brown; tibiae and tarsi yellowish-brown; antennae and mouthparts yellowish. Antennal club elongate, slender, not as long as funicle. Head and pronotum with extremely fine, evenly distributed punctation; pronotum with scattered recumbent microsetae; pronotum with dense, irregular microsculpture laterally, microsculpture lacking on median area. Elytron with dense, irregular microsculpture throughout, with six faint striae, medialmost three obsolete. Metaventrite weakly punctate, with long, sparse setae medially. Legs short, femora relatively narrow.

Spermatheca not observed. Male genitalia unknown.

Diagnosis. This species may be recognized by the characters given in the generic diagnosis.

Distribution. Known only from the type locality in east-central Madagascar.

Etymology. From the Latin nigri - (black), in reference to the solid pitch-black color of the cuticle, plus the ending - inus. The epithet is a noun in the nominative singular, standing in apposition.

Figures

FIGURE 37. Photographs. Phaenocephalus sp.: (a) dorsal; (b) ventral. Phalacrinus sp.: (c) dorsal. Ranomafanacrinus nigrinus, holotype: (d) dorsal; (e) lateral; (f) ventral. Acylomus aciculatus: (g) dorsal; (h) ventral. Acylomus bicolor: (i) dorsal.