The females always lay their eggs on the floating parts of the plants without any involvement of the male.īlue-tailed Damselflies are superb fliers and can alter each of their four wing's kinematics in order to maneuver. Damselfly nymphs are aquatic, and prey on small aquatic insects or other aquatic larvae.Ī male can try to interfere with a mating pair, by attaching itself to the mating male. The adult damselflies prey on small flying insects, caught using their legs like a basket to scoop the prey up while flying, or insects taken from leaves. Biology and behavior Īdults fly from April to September to early October. Mature females may be blue like the male, form typica olive green thorax and brown spot, form infuscans or pale brown thorax and brown spot, form infusca-obseleta. BLUE-TAIL FLY When I was young I used to wait On my master and give him his plate And pass the bottle when he got dry And. The colour darkens as the damselfly ages. Juveniles may be salmon pink, form rufescens violet, form violacea and a pale green form. įemale blue-tailed Damselflies come in a variety of colour forms. The bite is not typically dangerous to humans, but the fly can transmit diseases among livestock. This large-bodied fly has sharp mouth parts capable of delivering a painful bite.
#The bluetail fly crack
The thorax of juvenile males has a green tinge. The blue-tailed fly, made notorious in the folk song 'Jimmy Crack Corn,' refers to the insect pest known as a horse fly. At rest, the wings of most damselfly species are held back together, unlike dragonflies, which rest with their wings out flat. Segment eight, however, is entirely pale blue. They have a largely black abdomen with very narrow pale markings where each segment joins the next. There is a bi-coloured pterostigma on the front wings. Adult male blue-tailed damselflies have a head and thorax patterned with blue and black.
Hindwings reach alength of 14–20 millimetres (0.55–0.79 in). Ischnura elegans can reach a body length of 27–35 millimetres (1.1–1.4 in) and a wingspan of about 35 millimetres (1.4 in).
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