Males of the genus Sericostoma Latreille 1825 in Turkey (Trichoptera Sericostomatidae)
Author
Sipahiler, Füsun
text
Zootaxa
2021
2021-04-29
4965
3
483
500
journal article
6997
10.11646/zootaxa.4965.3.4
30abf3c7-5d57-410f-98ec-e2fe98173bd1
1175-5326
4754100
B9E0E45D-D238-4477-B480-61BD7B2FE7E4
Sericostoma
Latreille 1825
Diagnosis.
Adults of genus
Sericostoma
may be distinguished from the other genera of the family found in the West Palearctic by having an open discoidal cell on the posterior wings (McLahlan 1874–1880). Hind wings of the other genera found in the West Palearctic have a closed discoidal cell. The maxillary palps of males are the most important diagnostic character of the genera. The maxillary palps of the male of
Sericostoma
are large, 3-segmented (
Schmid 1947
), each with the first two segments small, very difficult to see; the apical segment very large, oval, and masking the face, with the external surface convex and the internal surface concave with a bunch of very fine pale-yellow hairs; the apical ends of the third segments of the pair of maxillary palps reach the bases of scapes of the antennae. In some species the maxillary palps are smaller than in other species (
McLachlan 1874
–1880),
S. pedemontanum
McLachlan 1876
and
S. personatum
Spence 1826
are examples of species with males having smaller maxillary palps. The antennal scapes are rather large, nearly triangular (
Schmid 1947
). The labial palps are not prominent. In females the maxillary palps are long, 5-segmented, and without conspicuous diagnostic characters.