Hedriodiscus leucogaster
(James, 1933)
Hedriodiscus leucogaster is a of in the , described by James in 1933. The Hedriodiscus is closely related to Psellidotus; these two genera are readily distinguishable in the Nearctic region but their distinction becomes less clear in the Neotropics, particularly in South America. Most species in both genera are poorly known beyond their original descriptions. of the Stratiomyinae are aquatic, and of this subfamily often exhibit patterned with horizontal banding, suggesting an ability to detect horizontally polarized light.
Pronunciation
How to pronounce Hedriodiscus leucogaster: /ˌhɛdri.oʊˈdɪskəs ˌluːkoʊˈɡæstər/
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Identification
Hedriodiscus are similar to Psellidotus; the two are easily separable in the Nearctic region but distinction becomes fuzzy in the Neotropics, especially in South America. Specific diagnostic features for H. leucogaster are not documented in available sources.
Distribution
United States, Colombia, and Mexico.
Similar Taxa
- PsellidotusClosely related within the same tribe Stratiomyini; Hedriodiscus and Psellidotus are easily separable in the Nearctic region but distinction becomes fuzzy in the Neotropics, especially in South America
More Details
Taxonomic note
The majority of in Psellidotus and Hedriodiscus in the Neotropics are very poorly known outside of their original descriptions.
Visual ecology
in the Stratiomyinae often exhibit stunningly patterned with horizontal banding, suggesting an ability to see horizontally polarized light similar to many . This capability may be useful for finding mates and suitable sites in aquatic environments.