Ablabesmyia (Ablabesmyia) mallochi (Walley)

Saether, Ole A., 2011, Notes on Canadian Ablabesmyia Johannsen, with keys to known Nearctic immatures of the genus (Diptera: Chironomidae), Zootaxa 3069, pp. 43-62 : 53-54

Ablabesmyia (Ablabesmyia) mallochi (Walley)

( Figs 1 , 2 D; 3 D; 4 D, K; 5 B, G; 7 D–F; 10)

Ablabesmyia (Ablabesmyia) auriensis Roback Ablabesmyia (Ablabesmyia) ornata Beck et Beck Ablabesmyia (Ablabesmyia) tarella Roback

Material examined. CANADA: Manitoba, Pinawa, male reared from larva, 25.vii 1967, J. Ireland; Manitoba, Rat River south of Woodridge, sandy silt, 0.2 m, female reared from larva, 23.vi. 1967, A. L. Hamilton, B. Hauser, and O. A. Saether; British Columbia, Marion Lake, at dock, male, 17.vii. 1965, A. L. Hamilton. Lake Winnipeg records: Gull Harbour, 2 males, 16.vii. 1969; Gimli Government Wharf, 1 male, 24.vii. 1969; Grand Rapids Government Wharf, 3 males, 28.vii. 1969; Pine Dock, 1 male, 31.vii. 1969; Beaver Point, 3 males, 30.vii. & 19.viii. 1971; 20 Mile Creek, 1 male, 22.vii. 1971; Old Fishing Dock, 9 males, 29.vii. –18.viii. 1971; Calder's Dock, 2 males, 26.viii. 1971; Calder's Dock, 5 males, 27.vii. 1971; Beaver Creek, emergence traps, 3 males, 19.vi. –25.vii. 1971; South Basin, 3 larvae, 24.vii. –1.viii. 1969; Narrows, 3 larvae, 9. –17.viii. 1969.

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This species was one of the three present in the bottom samples from Lake Winnipeg. The male and the immatures are illustrated.

Distribution. The species is widespread Nearctic ( Roback 1971: 367, 1985: 194; Oliver et al. 1990: 10; Spies 1999; Hudson et al. 1990: 3; Epler 2003, 2010; Caldwell 2009; Ashe & O’Connor 2009: 116).

Figures

FIGURE 1. Larval distribution of Ablabesmyia (Asayia) annulata (Say) and A. (A.) mallochi (Walley) in the benthos of Lake Winnipeg.

FIGURE 2. Ablabesmyia spp., pupa, thoracic horn, apex of horn, and thoracic comb. A. A. (Karelia) illinoensis (Malloch); B. A. (K.) philosphagnos Beck et Beck; C. A. (K.) pulchripennis (Lundbeck); D. A. (A.) mallochi (Walley); E. A. (A.) basalis (Walley); F. A. (A.) monilis auct nec L. a — Heming lake, b—Lake Winnipeg; G. A. (Asayia) annulata (Say).