Peschetius Guignot, 1942

Sheth, Sayali D., Ghate, Hemant V., Dahanukar, Neelesh & Hajek, Jiri, 2021, Integrative taxonomic review of the genus Peschetius (Coleoptera, Dytiscidae, Hydroporinae) from India with description of two new species, Arthropod Systematics & amp; Phylogeny 79, pp. 535-553 : 535

Peschetius Guignot, 1942

Type species.

Hydroporus nodieri Régimbart, 1895, by original designation.

Diagnosis.

Body length 2.95-4.35 mm. Dorsal aspect of body with distinct colour pattern; body outline discontinuous with distinct angle between pronotum and elytra; elytral surface strongly bicarinate; elytral epipleuron broad, base of epipleuron not delimited by a transverse carina; metacoxal lines raised, with region between them deeply foveate; abdomen tectiform, basally in the middle (close to metatrochanters) with wide depression; basal ventrites with a variable number of wide ‘macropunctures’ ( Biström and Nilsson 2003; Miller et al. 2006). The species under this genus are externally rather homogeneous but the shape of the prosternal process and male genitalia are diagnostic (Bistrӧm and Nilsson 2003).