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The adult apple sawfly is up to 5 mm (0.2 in) long with a brownish-black head and thorax and a brown abdomen. The larva is a caterpillar-like grub with a brown head and white body, growing to about 10 mm (0.4 in) when fully developed. [2]
Sawfly and moth larvae form one third of the diet of nestling corn buntings (Emberiza calandra), with sawfly larvae being eaten more frequently on cool days. [52] Black grouse (Tetrao tetrix) chicks show a strong preference for sawfly larvae. [53] [54] Sawfly larvae formed 43% of the diet of chestnut-backed chickadees (Poecile rufescens). [48]
The larva is a "false-caterpillar" which feed on the young fruit. Reproduction is usually parthenogenetic . The yellow prune tree sawfly ( Hoplocampa flava ) is very common.
The iris sawfly (Rhadinoceraea micans) is a species of sawfly in the family Tenthredinidae. [2] Native to Europe, the larvae—more often noticed than the adults—can occur in large numbers causing damage to garden plants such as the yellow iris or flag, Iris pseudacorus .
Xenapates larvae and pupae. Tenthredinidae is the largest family of sawflies, with well over 7,500 species worldwide, [2] divided into 430 genera. Larvae are herbivores and typically feed on the foliage of trees and shrubs, with occasional exceptions that are leaf miners, stem borers, or gall makers. The larvae of externally feeding species ...
Eriocampa ovata, larva Eriocampa ovata Woolly Butternut Sawfly (Eriocampa juglandis) larvae. Seven fossil species are known (see Eriocampa tulameenensis). Species
The larvae feed on plants (often conifers), using silk to build webs or tents, or to roll leaves into tubes in which they feed, thus earning them the common names leaf-rolling sawflies or web-spinning sawflies. Some species are gregarious and the larvae live in large groups. Fossils of Pamphiliidae have been dated to the Jurassic period. [1]
Tenthredopsis friesei, the common sawfly, is a species belonging to the family Tenthredinidae. Description Tenthredopsis friesei can reach a length of 10–11 millimetres (0.39–0.43 in) in males, of 9–12 millimetres (0.35–0.47 in) in females. Adults can be encountered from May through June feeding on nectar and pollen. The larvae feed on Holcus mollis. Distribution These sawflies are ...