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Athalia rosae · rapsinis pjūklelis
- turnip sawfly
- Rübsen-Blattwespe, Kohlrüben-Blattwespe
- rapsinis pjūklelis
- krustziežu zāģlapsene
- gnatarz rzepakowiec
- en.wikipedia.org/wiki/Turnip_sawfly
- naturespot.org.uk/species/turnip-sawfly
- sawflies.org.uk/athalia-rosae
The adults feed on nectar visiting a range of flowers, often cruciferous plants and umbellifers. Females can oviposit large numbers of ova in a short time. Larvae feed on a wide range of cruciferous plants eating from holes in the leaf blade rather than at the margins. Larva are dark greeny-grey, or almost black (18-25 mm). The larva overwinters in the ground in a cocoon emerging in early summer as a 7–8 mm adult with a mainly orange body and a black head.
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