Peyerimhoffia sepei, Hippa, Heikki & Vilkamaa, Pekka, 2005

Hippa, Heikki & Vilkamaa, Pekka, 2005, Cladistic analysis finds a placement for an enigmatic species, Peyerimhoffia sepei sp. n. (Diptera: Sciaridae), with a note on its spermatophore, Zootaxa 1044, pp. 49-55 : 51-54

Peyerimhoffia sepei sp. n.

Material examined. Holotype male: FINLAND, Le (Lapponia enontekiensis), Utsjoki, Skaidejohka (777:53), 12.VIII.1985, J. Tuiskunen ( MZH). Paratypes: FINLAND, Le, Enontekiö, Kilpisjärvi, Saana, 15.–30.VII.1967, A. Suormala, 2 ɗ ( MZH), same data but 16.–30.VII.1967, 2 ɗ ( MZH), Lk (Lapponia kemensis), Sodankylä, Iso­Oja (756:60), 9.VIII.1985, J. Tuiskunen, 1 ɗ ( MZH), Lk, Rovaniemen mlk, Lomalamminoja (7367781:3418828), Malaise trap, 28.VIII.–3.X.2004, J. Salmela, 1 ɗ ( PJSC), RUSSIA, Polar Ural, Krasnyi Kamen, 66° 55’ N, 65° 40’ E, pitfall trap, 3.–17.VII.1994, S. Koponen, 1 ɗ ( MZH).

Description (male). — Head: Eye bridge 2 or 3 facets wide. Prefrons with 4–8 setae, clypeus non­setose or with 1 seta. Length/width of flagellomere 4 of antenna 2.0–2.35. Segment 1 of maxillary palp with 1 or 2 setae ( Fig. 2 A). Thorax: Anterior pronotum with 2–4 setae, episternum 1 with 4–6 setae. Wing: Wing length 1.6–1.7 mm, width/length 0.40–0.45. c/w 0.65–0.85, R1/R 0.60–1.0. Legs: Apex of front tibia, Fig. 2 D; apex of hind tibia, Fig. 2 C. Length of front basitarsomere/length of front tibia 0.55–0.60. Abdomen: Sternite 8 with 7–10 setae. Hypopygium: Fig. 3 . Sternite 10 with seta on each half.

Female: Unknown.

Etymology. The species epithet is dedicated to the arachnologist Dr. Seppo Koponen, known to his friends as ‘Sepe’, of the Zoological Museum, University of Turku, in recognition of his contribution in collecting many new species of Sciaridae throughout the Holarctic Region.

Figures

FIGURE 2. Peyerimhoffia sepei sp. n. (A, paratype from Sodankylä; B and D, paratype from Saana; C, another paratype from Saana): A, antennal flagellomere 4, ventral view. B, maxillary palp, dorsal view. C, apex of hind tibia, retrolateral view. D, apex of front tibia, prolateral view. Scale for A 0.05 mm, for B – D 0.10 mm.

FIGURE 3. Peyerimhoffia sepei sp. n. (A, paratype from Utsjoki; B, paratype from Sodankylä; C, holotype): A, part of hypopygium. B, tegmen, aedeagus, and spermatophore. C, gonostylus, ventral view. Scale 0.10 mm. 1: tegmen, 2: aedeagus, 3: spermatophore, 4: neck of spermatophore.