Neohermes

Banks, 1908

Gray Fishflies

Species Guides

5

Neohermes is a of fishflies in the Corydalidae containing approximately five described . Species in this genus are aquatic insects associated with freshwater , particularly intermittent streams. The genus is known for including long-lived aquatic species with specialized burrowing .

Neohermes angusticollis by (c) Leila Dasher, some rights reserved (CC BY), uploaded by Leila Dasher. Used under a CC-BY license.Neohermes by (c) rickr, some rights reserved (CC BY), uploaded by rickr. Used under a CC-BY license.Neohermes by (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda. Used under a CC-BY license.

Pronunciation

How to pronounce Neohermes: /ˌniːoʊˈhɜrmiːz/

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Identification

Neohermes can be distinguished from other by characteristics typical of the genus, though specific diagnostic features are not detailed in available sources. As gray fishflies, they likely exhibit muted coloration compared to more brightly colored relatives.

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Habitat

Aquatic environments, particularly intermittent streams. At least one (N. filicornis) has been documented in intermittent stream systems where burrowing is an important .

Distribution

North America. Documented from the United States including Vermont and western regions (California and surrounding areas based on epithets).

Life Cycle

Long-lived aquatic insect with extended larval development in freshwater . Specific duration varies by ; N. filicornis has been described as notably long-lived.

Behavior

Burrowing is a documented trait, particularly in intermittent stream where substrate excavation may provide during dry periods.

Similar Taxa

  • CorydalusAnother in Corydalidae; Neohermes are generally smaller and less conspicuous than the large dobsonflies of Corydalus, and are commonly called gray fishflies rather than dobsonflies.
  • Chauliodes in Corydalidae; separation requires examination of specific morphological characters including wing venation and genitalia.

More Details

Species diversity

The contains five described : Neohermes angusticollis, N. californicus, N. concolor, N. filicornis, and N. matheri.

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Sources and further reading