Ectemnia invenusta
(Walker, 1848)
unattractive black fly
Ectemnia invenusta is a of black fly in the Simuliidae, characterized by autapomorphic structural and behavioral traits that distinguish it from other black fly . The species is primarily northern in distribution and its stages occupy rocky rivers. It has been studied for its distinctive cocoon-spinning , which provides phylogenetically informative characters linking it to other black fly .
Pronunciation
How to pronounce Ectemnia invenusta: /ɛkˈtɛm.ni.a ˌɪn.vɛnˈʊs.ta/
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Identification
Distinguished from by autapomorphic structural features in larval and stages; chromosomal analysis reveals specific patterns and sex- systems. Specific diagnostic traits require examination of or detailed morphological analysis of larvae, pupae, or adults.
Habitat
stages occupy rocky rivers.
Distribution
Primarily northern in distribution across North America.
Behavior
Exhibits distinctive cocoon-spinning with synapotypic (shared derived) behavioral characters that have been used in phylogenetic analysis.
Similar Taxa
- Ectemnia taeniatifronsAlso primarily northern in distribution with stages in rocky rivers; distinguished by chromosomal and morphological differences.
- Ectemnia primaevaOccurs in southeastern Coastal Plain in blackwater swamp streams rather than rocky rivers; distinguished by and chromosomal differences.
- Ectemnia reclusaOccurs in southeastern Coastal Plain in sandy rivers rather than rocky rivers; distinguished by and chromosomal differences.