Liogma
Osten Sacken, 1869
Species Guides
1Liogma is a of crane flies in the Cylindrotomidae, established by Osten Sacken in 1869. The genus contains seven recognized distributed across the Holarctic and East Asia. Larvae are specialized feeders on mosses, while inhabit damp wooded environments.
Pronunciation
How to pronounce Liogma: //laɪˈɒɡmə//
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Identification
Members of Liogma can be distinguished from other Cylindrotomidae by characteristics of the , particularly the pectinate (comb-like) or serrate structures in males—reflected in epithets such as pectinicornis, serraticornis, and simplicicornis. The genus is separated from related cylindrotomid genera by specific antennal modifications and overall body proportions.
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Habitat
occur in damp wooded . Larvae develop on mosses in moist forest environments.
Distribution
Canada, United States, China, Russian Far East, Japan, and Taiwan.
Diet
Larvae feed on mosses. feeding habits are not documented.
Ecological Role
Larval moss-feeding may contribute to nutrient cycling in moist forest . likely serve as prey for insectivorous vertebrates and in woodland .
Similar Taxa
- CylindrotomaBoth belong to Cylindrotomidae and share moss-feeding larval habits; Liogma is distinguished by male antennal structure and geographic distribution patterns.
- DiogmaAnother cylindrotomid with superficially similar ; separation requires examination of antennal and genitalic characters.
More Details
Species diversity
The comprises seven described : L. brevipecten, L. brunneistigma, L. mikado, L. nodicornis, L. pectinicornis, L. serraticornis, and L. simplicicornis. Species epithets primarily reference antennal .