Hydrochus sculptissimus, Perkins, 2021

Perkins, Philip D., 2021, Taxonomy of water beetles in the genus Hydrochus Leach, 1817, from Bolivia, Brazil and Paraguay (Coleoptera: Hydrochidae), Zootaxa 4994 (1), pp. 1-93 : 13

publication ID

https://doi.org/ 10.11646/zootaxa.4994.1.1

publication LSID

lsid:zoobank.org:pub:107FCA64-345F-40A4-99D3-5C1441EEAD93

DOI

https://doi.org/10.5281/zenodo.5043932

persistent identifier

https://treatment.plazi.org/id/03A187DE-FFF0-FFF3-6194-FE0F0123F5F6

treatment provided by

Plazi

scientific name

Hydrochus sculptissimus
status

 

H. sculptissimus View in CoL species group

Figs. 1 View FIGURE 1 , 3 View FIGURE 3 , 45 View FIGURES 44–45 , 48, 49 View FIGURES 48–49 , 55 View FIGURES 55–56 , 57 View FIGURES 57–58 , 70 View FIGURE 70

Members of the H. sculptissimus species group are recognized by the combination of the following characteristics: 1) small size, ca. 2.25–2.45 mm; 2) black dorsal color; 3) elytral with costate or raised interseries; 4) pronotum deeply sculptured; 5) male genitalia lacking parameres, and lacking distal piece. Currently, three species are recognized: H. ampliarmus , H. casuarius , and H. sculptissimus . All three species are known only from Brazil ( Figs. 55 View FIGURES 55–56 , 57 View FIGURES 57–58 ).

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Hydrochidae

Genus

Hydrochus

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