Prionocera
Loew, 1844
Prionocera is a of ( ) established by Loew in 1844. The genus contains approximately 22 described distributed primarily across the Holarctic region. Species have been described from North America, Europe, and East Asia. The genus is characterized by features of the male , particularly the structure of the ninth tergite and gonostyli.
Pronunciation
How to pronounce Prionocera: //ˌpraɪəˈnɒsəˌræ//
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Identification
Distinguished from other by male genitalic characters: the ninth tergite bears prominent projections, and the gonostyli are typically or toothed along the inner margin. The specific epithet 'serricornis' and related names reference these serrated structures. Females are more difficult to identify and often require association with males or examination of subtle sternal characters.
Distribution
Holarctic distribution with records from northern and central Europe (Denmark, Norway, Sweden), North America, and East Asia (Korea, Japan, Russia).
Similar Taxa
- TipulaSimilar overall body form and ; distinguished by male genitalic structure, particularly the non- gonostyli and different ninth tergite in most .
- NephrotomaShares and black color patterns in some ; separated by details and male genitalic characters, especially the structure of the inner gonostylus.
More Details
Taxonomic history
The has undergone revision by several authors, notably Brodo (1987) who described multiple North , and Savchenko (1983) who treated Palaearctic fauna. Several species were transferred from other genera based on genitalic .
Species diversity
The includes 22 described as of recent catalogs, with P. turcica (Fabricius, 1787) being among the earliest described and P. woodorum Brodo, 1987 among the most recently described.