Hamadiana chapadensis, a new genus and species of diving beetle from Brazil (Coleoptera, Dytiscidae, Laccophilinae, Laccophilini)

被引：1

作者：

Benetti, Cesar J. ^{[1
]}

Short, Andrew E. Z. ^{[2
]}

Michat, Mariano C. ^{[3
]}

机构：

[1] INPA, Programa Posgrad Entomol PPGEnt, Coordenacao Biodiversidade, Av Andre Arraujo 2936, BR-69067375 Manaus, Amazonas, Brazil

[2] Univ Kansas, Dept Ecol & Evolutionary Biol, Div Entomol, Biol Inst, Lawrence, KS 66045 USA

[3] Univ Buenos Aires, Lab Entomol, IBBEA, CONICET UBA,DBBE FCEN, Buenos Aires, DF, Argentina

来源：

ZOOTAXA | 2019年 / 4615卷 / 01期

关键词：

Dytiscidae; Laccophilini; new genus; new species; taxonomy; Neotropics; Brazil; N;

D O I：

10.11646/zootaxa.4615.1.10

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

Hamadiana chapadensis gen. n. and sp. n. is described based on a single male specimen collected in Central Brazil. The new species belongs to the diving beetle tribe Laccophilini but could not be assigned to any existing genera, therefore a new genus is described to accommodate it. Hamadiana gen. n. is unique among Laccophilini in having the hind margin of the metacoxal process deeply incised and medially slightly protruded backwards. In addition, it differs from other genera of the tribe by having the antennomeres simple, not expanded, the metacoxal lines not straight, and the metatibiae with two simple apical spurs. The habitus, male genitalia, and diagnostic features are illustrated, and a distribution map is provided. A recently published key to Laccophilini is modified to include the new genus.

引用

页码：176 / 184

页数：9

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