Hydrobiomorpha spatula Bachmann, 1988

Alves, Tayná, Clarkson, Bruno & Lima, Lucas Ramos Costa, 2020, A new species of Chasmogenus Sharp, 1882 and new records of Hydrophilidae (Coleoptera) from Northeastern Brazil, Zootaxa 4763 (4), pp. 579-586 : 584-585

Hydrobiomorpha spatula Bachmann, 1988

Figs. 13–14 , 17–18

Material examined. 1 ♂ Brazil, Piauí State, Piripiri Municipality, Cachoeira do Bota Fora, 4°12’51.1”S, 41°40’01.7”W, 01. VI.2019.

Diagnosis. Head, pronotum and elytra black ( Fig. 13 ). Pronotum with very dense and regular fine punctation ( Fig. 13 ). Prosternum strongly carinate, with elevated and glabrous central area; anterior extremity rounded and posterior extremity slightly projected ( Fig. 14 ). Elytron with systematic punctations reduced, barely visible; lateral margin with irregular punctations, some with short setae. Meso- and metasterna fused and elevated, forming a sternal keel ( Fig. 14 ); anterior extremity without indentation and posterior extremity not exceeding the half of the first ventrite. Keel slightly thickened in the metasternal region. Femora glabrous. Ventrites II–V pubescent, with medial area glabrous ( Fig. 14 ). Genitalia as in figures 17–18.

Distribution. Brazil, State of Bahia. New record for the state of Piauí: Piripiri municipality.

Figures

FIGURES 9–14. Habitus of hydrophilids found in the State of Piauí, Brazil. 9–10) Enochrus sp.: 9, dorsal view; 10, ventral view. 11–12) Helochares (Sindolus) femoratus (Brullé, 1841): 11, dorsal view; 12, ventral view. 13–14) Hydrobiomorpha spatula Bachmann, 1988: 13, dorsal view; 14, ventral view.

FIGURES 15–18.Aedeagus of hydrophilids found in the State of Piauí, Brazil. 15, Enochrus (Methydrus) sp.A; 16, Helochares (Sindolus) femoratus (Brullé, 1841); 17–18, Hydrobiomorpha spatula Bachmann, 1988: 17, ventral view; 18, lateral view.