|Synonyms||collaris (Fallen, 1820 - Tachina)
[=ornata (Meigen, 1838 - Degeeria)]|
|Shaw & Ford (1991)||-|
|Belshaw (1993)||Generic comment: Solitary parasitoids of adult Chrysomelidae and Coccinellidae (Coleoptera). The female uses her specialised terminalia to push an unincubated egg under the host elytra. The species luctuosa and separata can only be separated using the terminalia and the latter has only recently been recognised as occurring in Britain (Ford, 1989). Literature records should therefore be treated with caution.
Develops in the host abdomen, overwintering as a larva within the host and leaving to pupate in the soil.
Hosts: in Britain recorded as a regular parasitoid of Lochmaea suturalis (Cameron et at., 1944; Waloff, 1987). In Europe single records from Lochmaea caprea and the non-British Galerucelta luteola (Mull.) (all Chrysomelidae). Also a record in Japan from Epitachna vigintioctomaculata Motsch. (Coccinellidae).
British distribution: England, Wales, S.Scotland (Dumfries), N.Scotland and Ireland (Cork).
Habitat: heathland and coastal wastes (Emden, 1954).
Flight period: late May to late August, 2 generations peaking in early June and early August (at least 50 records). The spring generation attacks overwintered adults of the univoltine L.suturalis, the autumn generation attacks the immature brood.|
|Tschorsnig & Herting (1994)||[Degeeria]. Europe to Northern Scandinavia (in Southern Europe rare); NS NW HE BW BY NB / A. Prefers warm dry situations. 2 generations: End May to Mid July and Early August to Mid September. Altogether frequent however usually only individuals found. Imagines from Lochmaea suturalis Thoms L. capreae L. and Galerucella luteola Muell. (Chrysomelidae).|
|JNCC review (1996)||-|
|Shaw & Ford (2000)||Lochmaea suturalis (Thomson) (Col.: Chrysomelidae): 1 male adult vii.92 viii.92 29.ix.92 Matlock Moor Derbyshire (GJM/FH); 1 male adult vii.92 v.93 Beeley Moor Derbyshire (THF).|
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