Harman Patil

Dasysyrphus pinastri

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Kingdom  Animalia
Class  Insecta
Family  Syrphidae
Rank  Species
Phylum  Arthropoda
Order  Diptera
Genus  Dasysyrphus
Dasysyrphus pinastri
Similar  Dasysyrphus venustus, Dasysyrphus tricinctus, Dasysyrphus, Dasysyrphus albostriatus, Melangyna lasiophthalma

Dasysyrphus pinastri pest enka


Dasysyrphus pinastri is a European species of hoverfly.

Contents

Description

External images For terms see Morphology of Diptera
Wing length 6 ·5- 8 ·5 mm. Sternite 2 yellow with blackish crossband. Female frons with large patches of dust. Tergites 3 and 4 with equally-sized yellow patterns Tergite 2: pale pattern always present, as broad as or broader than pattern on tergites 3 and 4.Only vague or no grey stripes on thorax.Male genitalia are figured by Doczkal (1996). The larva is figured by Nielsen (1954)

Distribution

Palaearctic.Greenland, Iceland and Fennoscandia southwards to the Pyrenees.Ireland eastwards through northern and central Europe (and mountains of northern Italy and Yugoslavia) into Turkey and European Russia then through the Russian Far East and Siberia

Biology

Habitat:Abies, Picea and Pinus conifer forest and conifer plantation, montane Betula woods.Arboreal, but descends to visit flowers of Caltha, Crataegus, Crepis paludosa, Euphorbia, Fragaria, Frangula alnus, Galium, Heracleum, Hieracium, Lonicera xylosteum, Prunus spinosa, Ranunculus, Rosa rugosa, Salix repens, Sorbus aucuparia and Stellaria. The flight period is April to June and July (later at higher altitudes or more northerly latitudes).The larva feeds on aphids.

References

Dasysyrphus pinastri Wikipedia


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Dasysyrphus
Dasysyrphus albostriatus
Dasysyrphus tricinctus
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