Blera analis

Orange-tipped Flower Fly
Blera analis

Flower Fly Blera analis male on Astilbe. June 06, 2007, Wheatley, Ontario.
Flower Fly Blera analis male on Astilbe. June 06, 2007, Wheatley, Ontario.

Identification:
Head: Face light orangish-yellow with light dusting of white pile. Face much projecting and shiny at antenna base. Eyes reddish-brown. Male eyes touching at top of head, female eyes separated by simple eyes (ocelli). Black spot below lower eye margin (cheeks).
Antenna: Orangish-yellow, like face. 1st and 2nd joints with some black pile. 3rd joint large, rounded. Bristle (arista) reddish-black.
Thorax: Entirely metallic greenish-black, covered with whitish pile. Pile denser along shoulders (base, outside edge or humeri). Sides have tufts of dense, short white hair.

Flower Fly Blera analis male on Astilbe. June 06, 2007, Wheatley, Ontario.
Flower Fly Blera analis male on Astilbe. June 06, 2007, Wheatley, Ontario.

Wings: Lightly tinted, more yellowish-brown at base. Some veins very dark. Calypters white, with fringe. Halteres very pale yellow.
Legs: Thighs (femora) black, tips light yellow. Shins (tibiae) brownish, densely covered with white pile; base and tips more yellowish-orange; hind shin more yellowish. Feet light yellow, last joint black. Toes yellow.
Abdomen: Shiny black with black pile. Segment 2 has longer, white hair at side edges. Segment 4 is yellow-orange, with black V-shape at base, center on male; female has a larger black U-shape (more rounded). Segment 5 entirely yellow-orange.

Size: 9 to 12 mm long.

Habitat: Forests.

Food: Adults feed on flower nectar.

Flight Time: Mid May to early July. June 12, 2004

Life Cycle: Unknown. In England, the larvae live in water-filled tree holes.

Comments: Rare. Essex County – photos. Recorded around Georgian Bay and in Thedford. Also in Michigan.

Synonyms: Macquart 1842
Milesia analis, Cynorhina analis, Criorhina analis

References:
United States National Museum, 1886, Vol. 31: Synopsis of N.A. Syrphidae by Williston, pg. 214.
University of Kansas Science Bulletin, 1924, Vol. 15: Syrphidae by Curran, pg. 135.
Ohio State University, 1953: Thesis Syrphid Flies by Weems: pp. 410 to 412.

Types: Unknown

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