Duospina
Hodges, 1966
Species Guides
1Duospina is a of small in the Batrachedridae, originally described by Hodges in 1966. The genus was formerly classified within the family Coleophoridae but has since been reassigned based on morphological and phylogenetic evidence. It contains three described distributed across North America and Europe.
Pronunciation
How to pronounce Duospina: /duˈoː.spi.na/
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Identification
Duospina can be distinguished from related by genitalic characters, particularly features of the male valvae and female signum. The genus name refers to the paired spine-like structures on the phallus. Separation from Coleophoridae genera requires examination of wing venation and larval case structure.
Distribution
North America (Duospina abolitor, D. trichella) and Europe (Duospina europaea). D. trichella occurs in the eastern United States; D. abolitor in the southwestern United States; D. europaea in France.
Similar Taxa
- BatrachedraBoth belong to Batrachedridae and share similar ; distinguished by genitalic structure and larval .
- ColeophoraFormerly placed in the same ; Coleophora larvae construct portable cases from silk and plant material, while Duospina larvae do not.
More Details
Taxonomic History
Duospina was originally described in Coleophoridae by Hodges (1966). The was transferred to Batrachedridae following phylogenetic studies that demonstrated closer affinity to batrachedrid than to case-bearing Coleophoridae.
Species Diversity
The contains three : D. abolitor (southwestern USA), D. trichella (eastern USA, originally described as Epidola trichella), and D. europaea (France, described 2019).