. British journal of entomology and natural history. Natural history; Entomology. BR. J. ENT. NAT. HIST., 5: 1992. Fig. 18. Mycomya brandeh Vaisanen. Lateral view of entire male. Mycomya (Mycomyopsis) frequens Johannsen, 1910. New to Britain and to the Palaearctic region. This is very close to other species of the subgenus Mycomyopsis Vaisanen such as maura (Walker) and permixta Vaisanen, which were discussed by Chandler (1987a) and is distinguished by small differences in the genitalia. It was first detected here at the same time as Leia longiseta Barendrecht (see below) but a large amount of
. British journal of entomology and natural history. Natural history; Entomology. BR. J. ENT. NAT. HIST., 5: 1992. Fig. 18. Mycomya brandeh Vaisanen. Lateral view of entire male. Mycomya (Mycomyopsis) frequens Johannsen, 1910. New to Britain and to the Palaearctic region. This is very close to other species of the subgenus Mycomyopsis Vaisanen such as maura (Walker) and permixta Vaisanen, which were discussed by Chandler (1987a) and is distinguished by small differences in the genitalia. It was first detected here at the same time as Leia longiseta Barendrecht (see below) but a large amount of material from Norfolk wetlands, some more Anglesey material and two Scottish males have now been examined; samples were obtained in all months from June to December. Wing length of both sexes mm. According to Vaisanen (1984) M. frequens is frequent in the western Nearctic (Canada and USA) while the allied species penicillata (Dziedzicki) is widespread in northern Europe; the latter is recorded from boreal forest but frequens has. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Entomological and Natural History Society. [London] : British Entomological and Natural History Society
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