This Sawfly, slightly larger than a Common House Fly, is common and widely distributed throughout Europe. Letters encircled refer to names of cells ; the rest are veins except for the folds : j.j., jugal University of Kentucky College of Agriculture. Tenthredo livida Sawfly This sawfly has white mouth and white tips to its antennae and variable in colour, sometimes all black, but other forms with red. The larvae are usually 1-4 cm long, but come in an impressive variety of colours. Caterpillars have five or fewer pairs of false legs that are armed with tiny hooks. https://www.notcutts.co.uk/garden-advice/problems-pests/sawflies The larval stage has a caterpillar-like body that may be brightly marked with stripes or spots. Handpicking may be the only control measure you need to control light infestations. FIG.l6.-Generalized sawfly wing to show Ross's interpretation of the venation. A sawfly is a primitive wasp-like insect. Sawflies and their larvae tend to be a popular pest for roses. The females have a saw-like blade at the tip of the abdomen that is used to cut slits into plant tissue into which they deposit eggs. In our yard, we have mugo pines, and the sawfly larvae are a consistent problem from year to year, eating away at the needles. This particular post has short stiff hairs with green bodies and dark heads. One way to spot a sawfly larva is to count the legs - they also have six true legs, but usually have six or more pairs of the stumpy 'prologs', whereas caterpillars have five or fewer. In fact, the rose slug sawfly is aptly named just because it eats up rose bushes. The sawfly larvae LOOK like caterpillars to the uneducated eye but they are not. Fox-coloured sawfly (Neodiprion sertifer) is 7-9mm long and pale orange-brown. Sawflies are members of the same insect order (Hymenoptera) that includes ants, bees, and wasps. The Large Rose Sawfly is a common species all over Britain, although most records come from the south of England. VC55 Status Common in Leicestershire and Rutland. The larvae reach 25mm in length are a dirty green colour with a black lateral stripe and a black head. The white marked antennae together with the white and brown stigma in the forewing are distinctive and help with the identification… The large rose sawfly (Arge pagana) will produce two (sometimes three) generations from May to October. Adult pine sawfly (Diprion pini) are 10mm long brown winged insects, The larvae reach up to 25mm long and are pale green in colour with a brown head and black markings. We have tried spraying, and picking manually, but recently tried a vacuum cleaner, a shop-vac, with the creavace tool, and it sucked them all off from the branches with no problem! We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place. Some species change significantly in appearance as they grow, making identification confusing. A sawfly is a primitive wasp-like insect. 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