Acanthacorydalis is a genus of insects belonging to the family Corydalidae.
The species of this genus are found in Southeastern Asia.
Description Members of this genus can be separated from all other genera by the following characters: The body is large, one pair of spines on the vertex, male mandibles more elongate, with one large inner basal tooth and one smaller aical tooth, and the costal crossveins in male forewings are reticulate medially.
Species The following eight species are included in this genus as of 2022: Acanthacorydalis asiatica Acanthacorydalis fruhstorferi Acanthacorydalis horrenda Acanthacorydalis imperatrix Acanthacorydalis orientalis Acanthacorydalis sinensis Acanthacorydalis unimaculata Acanthacorydalis yunnanensis There is a record of an Acanthacorydalis species resembling Acanthacorydalis asiatica from Vietnam that is likely a new species that will be described at some later point.
Phylogeny This is a phylogeny of the Chinese Acanthacorydalis species, following the most parsimonious tree in Liu et al., 2005.
Note that A. asiatica, A. horrenda and A. imperatrix are not included.
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