Rhamphomyia (Pararhamphomyia) simplex Zetterstedt

• Main Authors: Sinclair, Bradley J., Vajda, Élodie A., Saigusa, Toyohei, Shamshev, Igor V., Wheeler, Terry A.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2019
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Diptera; Chironomidae; Rhamphomyia; Rhamphomyia simplex; Laxa; Möðrudalur; Arctic; Iceland
• Online Access: https://zenodo.org/record/3796958; https://doi.org/10.5281/zenodo.3796958

Rhamphomyia (Pararhamphomyia) simplex Zetterstedt (Figs 46, 47) Rhamphomyia simplex Zetterstedt, 1849: 3035. Type-locality: Copenhagen (Denmark). Other references: Melander, 1928: 205 (catalogue); Nielsen et al., 1954: 52 (Iceland); Gorodkov & Kovalev, 1969: 624 (key); Messersmith, 1982: 37 [Iceland records]; Barták & Danielson, 2007: 112 (♂ lectotype designation). Rhamphomyia (Pararhamphomyia) simplex Zetterstedt: Frey, 1922: 39 [key]; Frey, 1955b: 495 (revision); Collin, 1961: 372 (British empidids); Chvála & Wagner, 1989: 305 (catalogue); Yang et al., 2007: 176 (catalogue); Meyer & Stark, 2015: 204 (checklist); Shamshev, 2016: 70 (checklist). Type material. Not examined. Additional material examined. ICELAND. Breddalsvik, moist Luzula Empetrum moss pocket, 1360/1/1 -, 7.vii.1981, J.A. Downes (11 ♂, 2 ♀, CNC); nr. Breddalsvik, 1360/3/1 -, 7.vii.1981, J.A. Downes (2 ♂, CNC); 10 km E Hals, 3.vii.1962, B. V. Peterson & E. Bond (4 ♂, 9 ♀, CNC); 5 km S Möðrudalur, 4.vii.1962, B. V. Peterson & E. Bond (1 ♂, CNC) Myvatn, road to Skutustadir, 1357/2/15 -, 3.vii.1981, J.A. Downes (1 ♂, 3 ♀, CNC); Laxa River, Myvata, 1357/1/11 -, 3.vii.1981, J.A. Downes (10 ♂, 5 ♀, CNC). Diagnosis. This darkly setose species is distinguished from other species of Pararhamphomyia by the shiny reddish brown legs, male tergite 7 shorter than tergite 8, male tergite 8 partially overlapping terminalia, and the phallus is rather short, broad basally, angulately curved, and partly concealed within the epandrium. Redescription. Wing length 3.5–4 mm. Male. Head dark in ground-colour, with dense greyish-silvery pruinescence on face, frons, postgena and occiput. Holoptic, eye with ommatidia larger on upper half, smaller on lower half. Frons represented by very small triangular space below ocellar tubercle and larger subtriangular space above antennae, bare; face slightly divergent towards mouthparts; bare with oral margin reddish-brown. Ocellar triangle with greyish-silvery pruinescence; anterior pair of setae long, dark; 2 ...