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Ophiomyia gnaphalii Hering, 1949 [Diptera: Agromyzidae] Ophiomyia gnaphalii Hering, 1949d. Notul. ent. 29: 20. Ophiomyia gnaphalii Hering, 1949d; Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 24 (figs 50-52), 27, 113. Ophiomyia gnaphalii Hering, 1949d; Spencer, 1990. Host specialization in the World Agromyzidae (Diptera) : 270, 272 (fig. 1026), 273. Ophiomyia gnaphalii Hering, 1949; Bland, 1999. Br. J. ent. nat. hist. 12: 11-12.

Leaf- and stem-mine: An external stem mine on Gnaphalium sylvaticum (Spencer, 1972b: 27) or leaf-mine in basal leaves of Antennaria dioica (Bland, 1999). In the latter a single larva moves from leaf to leaf, each leaf with 2-4 broad diverging tracks extending rarely more than two-thirds of the length of the leaf from the petiole into the leaf lamina; frass concentrated in the petiolar part of the mine. Pupation in mine (Spencer, 1972b: 27). Larva: Posterior spiracles with approx. 8 bulbs (Spencer, 1964a). Puparium: Details unknown. Hosts in Britain: Asteraceae       Antennaria dioica Mountain Everlasting Bland, 1999: 11-12 Gnaphalium sylvaticum Heath Cudweed Spencer, 1972b: 113 Gnaphalium sylvaticum Heath Cudweed Robbins, 1991: 111 Hosts elsewhere: Asteraceae       Antennaria dioica Mountain Everlasting Spencer, 1990: 270 Gnaphalium     Spencer, 1990: 273 Gnaphalium sylvaticum Heath Cudweed Nederlandse bladmineerders Time of year - mines: September. Time of year - adults: June. Distribution in Britain: Uncommon. Hereford (Ross) (Spencer, 1972b: 27) and Perth (Fealar) (Bland, 1999). Distribution elsewhere: Germany (Spencer, 1990) and Lithuania (Martinez in Fauna Europaea). Parasitoids: Unknown.

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Last updated 30-Sep-2008  Brian Pitkin