Holocentropus picicornis (Stephens, 1836)

Wiberg-Larsen, Peter, Andersen, Trond, Elven, Hallvard & Salokannel, Juha, 2024, Holocentropus varangensis Mey, 1987, a probable hybrid between Holocentropus insignis Martynov, 1924 and H. picicornis (Stephens, 1836) (Trichoptera, Polycentropodidae), Norwegian Journal of Entomology 1987 (1), pp. 1-7 : 2

Holocentropus picicornis (Stephens, 1836)

DENMARK, Fyn: Plovskaer Mose (small acid pool), 15 May 1986, 4♂♂, leg. P. Wiberg-Larsen (the genitalia of one of these are shown in Figure 1A–C ) ; Sorte Sø, Gerup Skov (small acid lake), 31 May 1981, 3♂♂, leg. P. Wiberg-Larsen ; Sjaelland, Bøllemosen (acid pond), 13 June 1976 ,

6♂♂, leg. P. Wiberg-Larsen; U.S.A., Minnesota: Lake Co., Baptism River, Hwy 1, 22 June 1994 , 1♂, leg. R. Holzenthal et al., det. R. Blahnik 1994 .

Notes: Roger Blahnik identified the specimen from Baptism River as “ Polycentropus picicornis (Stephens) or near”. The specimen is a voucher for “Barcode of Life”, sample ID09 MNKK 0333, and was made available for our study by the University of Minnesota Insect Collection, St. Paul, where it is housed.

Figures

FIGURES 1–3. Male genitalia. 1. Holocentropus insignis Martynov, 1924. 2. H. picicornis (Stephens, 1836). 3. H. varangensis Mey, 1987. A. Lateral view.B. Intermediate appendage and preanal appendages, ventral view.C. Aedeagus, lateral view.Abbreviations: Seg. VIII–X (abdominal segments VIII–X).Int. app. (internal appendage). Pre. app. (preanal appendage). Inf. app. (inferior appendage). Intmed. app. (intermediate appendage).