Ovomanonychus inajae, Costa & Cherman & Iannuzzi, 2020

Costa, Fábio Correia, Cherman, Mariana Alejandra & Iannuzzi, Luciana, 2020, Ovomanonychus, a new genus of South American Sericoidini (Coleoptera Scarabaeidae: Melolonthinae), Zootaxa 4759 (1), pp. 65-76 : 72

Ovomanonychus inajae Costa, Cherman & Iannuzzi, new species

Figures 5 A–G.

Type material. Ovomanonychus inajae holotype male BRAZIL: “ BRAZIL: Mato Grosso. / Naviraí. Fazenda Paraíso / IX-1983. R Torres”, “ Holotype / Ovomanonychus / inajae F. Costa, M. Cherman and L. Iannuzzi 2018”. Genitalia and mouth parts mounted ( CEMT) .

Diagnosis. Clypeus rounded; small eyes; pronotal anterior and posterior corners rounded; scutellum punctate; four longitudinal costae; metacoxae with dense tufts of bristles; protibia strongly sculptured; metatibial spurs in different size; parameres wide, deflected distally and punctate; excavated laterally; phallobase in dorsal view, distal margin not constricted.

Description. Holotype. Male. Length 10.2 mm; width 4.2 mm. Head: Shiny, light reddish brown; distance between eyes three times the width of one eye; frons as long as clypeus; clypeus rounded; labrum, in frontal view, with width less than one third that width of the clypeus; mandibles with mola multigrooved; distal maxillary palpomere with maximum width from equal to apex width; galea with six teeth visible in frontal view; labium with apex as wide as the base; anterior margin almost truncate. Prothorax: Pronotal anterior and posterior corners rounded. Pterothorax: Scutellum with coarse and dense punctures; mesosternum with long bristles; metasternum with long and dense tuft of bristles on disc. Elytra: Four longitudinal costae; elytral suture weakly elevated, unicolored and with coarse punctures. Legs: Protibia strongly sculptured along the toothed margin; protarsomere I longer than protarsomere II; mesotarsomeres with proximal portion smooth; metacoxae with dense bristles; metatibial spurs with different lengths. Abdomen: Ventrites with conspicuous punctures; ventrite II longer than III; ventrite IV shorter than ventrite V; propygidium glabrous, with fine punctures; pygidium as long as wide, with fine punctures and disc smooth along the longitudinal midline; basal region flat laterally; base of pygidium wider than the posterior margin of the propygidium. Male genitalia: Parameres wide, deflected distally and punctate; inner margin slightly curved on distal portion; lateral excavation occupying two thirds of the maximum length; phallobase in dorsal view, distal margin not constricted.

Females. Unknown.

Etymology. The species is named after Mrs. Inajá Correia Costa, mother of the first author, for all the support received. The name is a noun in the genitive case.

Type locality. BRAZIL, Mato Grosso, Naviraí, Fazenda Paraíso .

Geographical distribution. Brazil (Mato Grosso).

Figures

FIGURE 5. Ovomanonychus inajae new species, male holotype. A, Dorsal habitus; B, lateral view; C, frontal view; D, diagonal view; E, parameres dorsal view; F, parameres lateral view.