Pegomya

Robineau-Desvoidy, 1830

Pegomya is a of in the comprising diverse with varied larval feeding strategies. exhibit leaf mining, stem boring, , seed feeding, and mycophagy. Several species are economically significant agricultural pests, including those attacking sugar beet, spinach, and cruciferous . Some species have been investigated for of .

Pegomya winthemi by (c) Janet Graham, some rights reserved (CC BY). Used under a CC-BY license.

Pegomya bicolor by (c) Markus Krieger, some rights reserved (CC BY), uploaded by Markus Krieger. Used under a CC-BY license.

Pegomya bicolor by (c) Evan M. Raskin, some rights reserved (CC BY), uploaded by Evan M. Raskin. Used under a CC-BY license.

Pronunciation

How to pronounce Pegomya: /ˌpɛɡoʊˈmaɪə/

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Images

Distribution

Europe (primary range); some to North America (e.g., Pegomya curticornis, P. euphorbiae) and Japan (P. cunicularia, P. exilis). GBIF records indicate presence in Denmark, Norway, and Sweden.

Diet

Highly variable across : leaf parenchyma (), stem pith and vascular tissue (borers), seeds (e.g., Hypericum spp.), and fungal sporocarps (Boletaceae). Specific diet is species-dependent and not generalizable to level.

Life Cycle

deposited on or near tissue. feed internally in leaves, stems, seeds, or depending on . occurs within host tissue or soil. Some species exhibit (observed in P. mixta).

Behavior

of some exhibit gregarious feeding within shared mines (e.g., P. nigritarsis). Clutch size varies with leaf size and correlates with larval survival. Some species induce formation through stem boring combined with callus .

Ecological Role

Agricultural pests of root and leaf ; potential agents for (e.g., leafy spurge, Hypericum spp.). Mycophagous contribute to fungal sporocarp decomposition.

Human Relevance

Several are significant agricultural pests: P. betae (beet ), P. hyoscyami complex (beet and spinach ), P. brassicae (turnip ). Some species investigated for of weeds.