Isocolpodia
Parnell, 1971
Isocolpodia is a of gall midges in the Cecidomyiidae, established by Parnell in 1971. The genus contains approximately six described , including both gall-forming and forest-dwelling species. Species have been described from North America and the Palearctic region. The genus is classified in the Porricondylinae and tribe Porricondylini.
Pronunciation
How to pronounce Isocolpodia: /ˌaɪ.soʊ.kɔlˈpoʊ.di.ə/
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Identification
-level identification requires examination of morphological characters, particularly genitalia and antennal structures. The can be distinguished from related porricondyline genera by features of the male terminalia and larval gall where applicable. Specific diagnostic characters for the genus are not well documented in general literature.
Habitat
Associated with forested environments and plants including grasses (Isocolpodia graminis) and honeysuckles (Isocolpodia diervillae on Diervilla).
Distribution
Recorded from North America (United States, Canada) and the Palearctic region (Russia).
Host Associations
- Diervilla - gall inductionIsocolpodia diervillae induces galls on honeysuckle
- Poaceae - gall inductionIsocolpodia graminis associated with grasses
Ecological Role
Gall induction on plants; modifies plant tissue development to create larval .
Similar Taxa
- PorricondylaBoth belong to tribe Porricondylini; distinguished by male genitalia and antennal segmentation
- CecidomyiaBoth are gall midges; Isocolpodia differs in placement (Porricondylinae vs. Cecidomyiinae) and gall