Dexia rustica

Dexia rustica
	Dexia rustica. Dorsal view
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Diptera
Family:	Tachinidae
Subfamily:	Dexiinae
Tribe:	Dexiini
Genus:	Dexia
Species:	D. rustica
Binomial name
	Dexia rustica; (Fabricius, 1775)
Synonyms[1]
	List Dexia flavicornis Meigen, 1826 ; Dexia grisea Robineau-Desvoidy, 1830 ; Dexia longipes (Stephens, 1829) ; Dexia provenio (Harris, 1780) ; Dexia sericea (Donovan, 1808) ; Dexia testacea Macquart, 1834 (synonym) ; Dinera fulvipes Robineau-Desvoidy, 1830 ; Ida petiolata Robineau-Desvoidy, 1863 ; Musca longipes Stephens, 1829 ; Musca plebeja Fabricius, 1781 ; Musca provenio Harris, 1780 ; Musca rustica Fabricius, 1775 ; Musca sericea Donovan, 1808;

Dexia rustica is a species of fly in the family Tachinidae.[2]

Distribution and habitat

This species can be found in most of Europe.[3] These tachinids usually inhabit hedge rows and flowery environments.[4][5]

Description

Side view

Dexia rustica can reach a body length of 8.4–12.7 millimetres (0.33–0.50 in) and a wingspan of 16–24 mm.[5] These small tachinids have generally a black thorax, with grayish yellow pruinosity. Four longitudinal black vittae appear on dorsum,[6] Abdomen appears greyish-brown or reddish, with a darker longitudinal dorsal marking, more or less evident. It is cylindric-conic, with two setae among each segment. Probocis is short and membranous.[7] Females usually are darker than males.[8][4] Wings are hyaline, with a reddish yellow tegula and a dark brown basicosta. Legs are reddish yellow.[6]

Biology

Adults can be found from June to August,[4][5] feeding on nectar and pollen, especially of Heracleum sphondylium.[5]

Larvae develop in the soil feeding on beetle larvae (endoparasitism),[4] mainly of Melolontha melolontha,[5] Amphimallon solstitialis, Rhizotrogus marginipes[6] and Phyllopertha horticola (Scarabaeidae).[9]

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References

Catalogue of life Catalogue of life
Biolib
Fauna europaea
Bob Gibbons Field Guide to Insects of Britain and Northern Europe
J.K. Lindsey Commanster
Chun-Tian Zhang, Xiao-Lin Chen A review of the genus Dexia Meigen in the Palearctic and Oriental Regions Diptera Tachinidae in Zootaxa · December 2010
John Obadiah Westwood An Introduction to the Modern Classification of Insects Vol II (1840)
James E. O'Hara, Hiroshi Shima, & Chuntian Zhang. "Annotated Catalogue of the Tachinidae (Insecta: Diptera) of China." Zootaxa 2190 (2009): 1-236.
Encyclopedia of life

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[1] Catalogue of life Catalogue of life

[2] Biolib

[3] Fauna europaea

[bob-4] Bob Gibbons Field Guide to Insects of Britain and Northern Europe

[comm-5] J.K. Lindsey Commanster

[chun-6] Chun-Tian Zhang, Xiao-Lin Chen A review of the genus Dexia Meigen in the Palearctic and Oriental Regions Diptera Tachinidae in Zootaxa · December 2010

[7] John Obadiah Westwood An Introduction to the Modern Classification of Insects Vol II (1840)

[8] James E. O'Hara, Hiroshi Shima, & Chuntian Zhang. "Annotated Catalogue of the Tachinidae (Insecta: Diptera) of China." Zootaxa 2190 (2009): 1-236.

[9] Encyclopedia of life