Liriomyza pisivora Hering larva A pea leaf miner

This species is very similar to Liriomyza congesta (p. 188) but adults are darker, the yellow coloration on the abdomen being far less extensive. Infestations also occur on the leaves of pea and Vicia bean but the mines are usually restricted to the lower surface, with the frass deposited in greenish-black bands. Also, the feeding galleries are relatively superficial and of little or no significance. Unlike L. congesta, with which this species was once confused, the posterior spiracles of the larvae are each 7-8-pored. Mines of Phytomyza horticola (p. 193) may also occur on the lower surface of pea leaves but they are lighter in colour and much broader.

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