Family Syrphidae | Order Diptera Genus Helophilus Rank Species | |
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Similar Helophilus, Helophilus pendulus, Eristalis arbustorum, Myathropa florea, Helophilus hybridus | ||
Citroenpendelvlieg helophilus trivittatus op buddleja
Helophilus trivittatus is a Palearctic hoverfly.
Contents
Syrphe helophilus trivittatus dipt re bruitx
Description
External images For terms see Morphology of Diptera
Wing length 10·25- 12 ·25 mm. Longitudinal face stripe yellow.Tergites 2 and 3 with pale lemon yellow spots, tergite 4 with white to grey spots.Females tergite 3 yellow spots touch front margin.The larva is illustrated by Hartley (1961)
See references for determination.
Distribution
Palearctic Fennoscandia South to the Mediterranean basin.Ireland East through Europe, Russian Far East and Sibera to the Pacific.Iran and Afghanistan.
Biology
Habitat:Wetland, river margins, seasonally flooded grassland and salt-marsh.Anthropophilic in southern Europe, where it frequents irrigation ditches in farmland. Flowers visited include umbellifers, yellow composites, Armeria, Aster, Cakile, Centaurea, Chrysanthemum, Cirsium, Crataegus, Epilobium angustifolium, Eryngium, Eupatorium, Euphorbia, Ligustrum, Lychnis, Lythrum, Mentha, Menyanthes, Origanum, Plumbago, Polygonum persicaria, Potentilla, Ranunculus, Rubus fruticosus, Salix, Sorbus. The flight period is May to October. The larva is a detritivore associated with decaying rhizomes of Typha latifolia and with beds of Glyceria maxima.
