Sicus ferrugineus

Sicus ferrugineus is a species of fly from the genus Sicus in the family Conopidae.[2]

Sicus ferrugineus
Sicus ferrugineus. Female, side view
Dorsal view
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Diptera
Family:
Conopidae
Subfamily:
Myopinae
Tribe:
Sicini
Genus:
Sicus
Species:
S. ferrugineus
Binomial name
Sicus ferrugineus
(Linnaeus, 1761)
Synonyms[1]

Distribution and habitat

This species is common throughout much of Europe.[3] These conopids mainly inhabit hedgerows and flower meadows.[4][5]

Description
Sicus ferrugineus in copula

The adults grow up to 8–13 millimetres (0.31–0.51 in) long.[5] The body is mainly reddish-brown or yellow-brown. The head is yellow, quite large and inflated-looking, with a kind of bubble at the front and narrow cheeks. The short antennae are brown, their second segment has the same length or it is longer than the third. The large eyes are reddish. The legs and also the last abdomen segments are often darkened. The abdomen is long, round in cross-section, the seventh segment is oblong and conical. When in resting position the abdomen is usually folded forward. In the females theca is hardly distinguishable. The wings are transparent, but reddish-yellow colored at the base.[6]

Biology

They can be encountered from May through September,[5] feeding on nectar or pollen of various Asteraceae species (Hieracium pilosella, Thistle, Cirsium species, etc.), Apiaceae species (Parsley Petroselinum sp, . Heracleum sphondylium), Onagraceae (Chamerion angustifolium), Lamiaceae (Teucrium scorodonia) and Rosaceae species (Blackberries, Rubus fruticosus sp.).[5]

Their larvae are endoparasites of bumble bees of the genus Bombus[5] (B. lapidarius, B. terrestris , B. hortorum, B. pascuorum, etc.). They pupate and overwinter in their victims.[7]

Bibliography
  • Joachim & Hiroko Haupt: Fliegen und Mücken: Beobachtung, Lebensweise. Naturbuch-Verlag, Augsburg 1998, ISBN 3-89440-278-4.
  • Kurt Kormann: Schwebfliegen und Blasenkopffliegen Mitteleuropas. Fauna Verlag, Nottuln 2003, ISBN 3-935980-29-9.
  • Marion Kotrba The internal female reproductive tract of Sicus ferrugineus (Linnaeus, 1761) (Diptera, Conopidae)

References
  1. Catalogue of life
  2. BioLib
  3. Fauna europaea
  4. Nature Spot
  5. J.K. Lindsey Commanster
  6. George C. Steyskal Keys to The Insects of The European Part of The USSR
  7. Smith, K.G.V. (1969). Diptera: Conopidae. Handbooks for the Identification of British Insects. 10 pt 3a. Royal Entomological Society of London. pp. 19 pp.
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