Iteomyia capreae

Iteomyia capreae
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Diptera
Family:	Cecidomyiidae
Genus:	Iteomyia
Species:	I. capreae
Binomial name
	Iteomyia capreae; (Winnertz, 1853)
Synonyms
	Cecidomyia salicisfolii Hardy, 1854; Iteomyia salicisfolii (Hardy, 1854); Cecidomyia capreae Winnertz, 1853

Iteomyia capreae is a gall midge which forms galls on willows (Salix species). It was first described by Johannes Winnertz in 1853.

Description of the gall[]

The midge forms two different galls which can be found, either on the leaf bade or on a side-vein of a leaf.

in the leaf blade the gall is a hard, domed pouch above, and below it is conical, with a red-rimmed opening. The opening is hairless and initially greenish, later becoming yellow, brown, purple or red. It contains a single larva which is white at first and later orange or red.
the side-vein is a 2–3 mm long, hard swelling, containing the larva.^[2]^[3]

When mature the larvae drop from the gall, overwintering in the soil and pupating in the spring.^[4]

The galls are found on sallows or their hybrids and include, almond willow (S. triandra), common osier (S. viminalis), crack willow (S. fragilis), dark-leaved willow (S. myrsinifolia), eared willow (S. aurita), European violet willow (S. daphnoides), goat willow (S. caprea), grey willow (S. cinerea) and S. appendiculata.^[3]

Distribution[]

The insect has been recorded in Asia, and Europe, from Ireland and Portugal in the west, through to Siberia, China and Japan in the east.^[5]

References[]

^ "Iteomyia capreae (Winnertz, 1853)". NBN atlas. Retrieved 23 March 2018.
^ Redfern, Margaret; Shirley, Peter; Boxham, Michael (2011). British Plant Galls (Second ed.). Shrewsbury: Field Study Council. pp. 282–299. ISBN 978 185153 284 1.
^ ^a ^b Ellis, W N. "Iteomyia capreae (Winnertz, 1853)". Plant Parasites of Europe. Retrieved 23 March 2018.
^ Chinery, Michael (2011). Britain's Plant Galls. Old Basing, Hampshire: WildGuides. p. 62. ISBN 978 190365743 0.
^ "Distribution of Iteomyia capreae". ResearchGate. Retrieved 23 March 2018.

External links[]

Bioimages
Media related to Iteomyia capreae at Wikimedia Commons

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[1] "Iteomyia capreae (Winnertz, 1853)". NBN atlas. Retrieved 23 March 2018.

[pg-2] Redfern, Margaret; Shirley, Peter; Boxham, Michael (2011). British Plant Galls (Second ed.). Shrewsbury: Field Study Council. pp. 282–299. ISBN 978 185153 284 1.

[wne-3] Ellis, W N. "Iteomyia capreae (Winnertz, 1853)". Plant Parasites of Europe. Retrieved 23 March 2018.

[4] Chinery, Michael (2011). Britain's Plant Galls. Old Basing, Hampshire: WildGuides. p. 62. ISBN 978 190365743 0.

[5] "Distribution of Iteomyia capreae". ResearchGate. Retrieved 23 March 2018.

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