The lower calypter is the proximal calypter (synonyms: squama (of some authors), tegula ) and the upper calypter is the distal calypter (synonym: squamula).
The holarctic species of the Delia alaba subsection, with descriptions of two new species (diptera: anthomyiidae).(Report)
Apr 01, 2009; AbstractTwo new species are described, Delia subatrifrons Xue and Du n. sp., and Delia fimbrifascia Xue and Dun. sp. A revised D....