Phytomyza heckfordi Bland, 2011

Diptera, Agromyzidae

mine

Oviposition near the leaf margin, in the distal half of the leaf. From here a narrow gallery of c. 15 mm runs to the leaf tip, then down again; then the gallery widens into a brown blotch that may occupy the entire width of the leaf. In the blotch the frass lies dispersed as black granules of variable sizes. Pupation external.

hostplants

Asteraceae, monophagous

Antennaria dioica.

phenology

Bivoltine; occupied mines were found in late June and in the first half of September.

distribution within Europe

Scotland.

larva

not described.

pupa

c. 1 mm, sausage shaped, pale orange brown, segment limits shallow. Front spiracula T-shaped; rear spircaula on two stout bases, touching each other at their feet, with 13-14 papillae in circular arrangement.

references

Bland (2011a).

02/11/2011

mod 28.vi.2017