Iridopsis gemella
(Rindge, 1966)
Iridopsis gemella is a of geometrid in the Geometridae, described by Rindge in 1966. It belongs to the Ennominae, a diverse group commonly known as inchworms or loopers due to their distinctive larval locomotion. The species is found in Central America and North America.
Pronunciation
How to pronounce Iridopsis gemella: /ɪˈrɪdɒp.sɪs dʒəˈmɛl.ə/
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Identification
As a member of the Iridopsis, likely exhibit the cryptic coloration typical of the group, often in shades of gray or brown with fine patterning that provides camouflage against bark or leaf litter. The genus was revised by Rindge (1966), who established the current taxonomic framework. Conclusive identification to level typically requires examination of genitalia or reference to original description.
Distribution
Recorded from Middle America and North America. Specific countries and precise range boundaries are not well documented in available sources.
Similar Taxa
- Iridopsis herseFormerly placed in Anacamptodes, this Central American has been documented as a pest of soybean in Honduras; historically confused with I. gemella due to synonymy
- Iridopsis humilisNorth American reported to feed on soybean; differs in coloration (purple-brown/yellow-green) and body proportions
More Details
Taxonomic History
The Anacamptodes was synonymized with Iridopsis by Rindge (1966), bringing several including I. herse into Iridopsis. This revision clarified relationships within the Ennominae but created historical confusion in literature referring to Anacamptodes species.
MONA Number
The Hodges number for Iridopsis gemella is 6587, used in North American classification systems.