In Europe the larvae of Clavellaria amerinae feed on willow and poplar. September. Photograph of Parasitic wasp (Braconidae) with ovipositor extended approaching caterpillar of Lesser Willow Sawfly (Nematus pavidus). Willow leaf sawfly damage is easily recognized by the fleshy galls that develop at the spot where the female injects her eggs into the leaves. The larvae feed on elm and willow. Pale green weevil (Polydrusus impressifrons) Spined soldier bug (Podisus maculiventris) Petiole galling aphid (Pemphigus populi-transversus) Viceroy butterfly egg (Limenitis archippus) A Overwintering pupae hatch in April and lay eggs on the young leaves in rows … Lesser willow sawfly (Nematus pavidus) larvae feeding on edge of leaf, Sussex, England, UK. Willow leaf sawfly damage is easily recognized by the fleshy galls that develop at the spot where the female injects her eggs into the leaves. I like This. Lesser willow sawfly (Nematus pavidus) Leaf-folding sawfly larvae (Phyllocolpa sp.) June. Sawfly Damage. We have additional information on the following species: Lesser willow sawfly – Nematus pavidus; Rose leaf-rolling sawfly – Blennocampa phyllocolpa; Rose slug sawfly – Endelomyia aethiops; Solomon’s seal sawfly – Phymatocera aterrima Kim Taylor / Parasitic wasps (Braconidae) approaching caterpillar of Lesser willow sawfly (Nematus pavidus) to lay eggs on, Surrey, England, UK. Some leave holes or notches in the … ( Willow, sawfly, lesser) Allantus cinctus ( Rose sawfly, curled) Nematus olfaciens: Blackcurrant Sawfly: Nematus ribesii: Gooseberry Sawfly: Endelomyia aethiops: Rose slug, rose sawfly: Pristiphora abietina (Gregarious spruce sawfly) Pristiphora erichsonii (Larch, sawfly, large) Pristiphora laricis A wasp can spend as much as one hour trying … Q Can you tell me more about gooseberry sawfly? 01594606 Kim Taylor / Parasitic wasp (Braconidae) with ovipositor extended approaching caterpillar of Lesser Willow Sawfly (Nematus pavidus). 1 . Willow Sawfly, Nematus ventralis Appearance: Larvae are black or greenish black with large yellow spots along their sides. Pontania pedunculi is a sawfly that causes a gall on certain species of Willow: Salix capraea (Goat Willow), Salix cinerea (Grey Willow) and Salix aurita (Eared Willow). Solomon's-seal sawfly (Phymatocera aterrima). The gall is generally pea-shaped, starting green but becoming red as it matures. The braconids approach very stealthily in order to lay eggs on the caterpillars which thrash from side to side in an attempt to protect themselves. Related posts: Ash Sawfly (Blackheaded and Brownheaded) Dogwood Sawfly Dusky Birch Sawfly Elm Sawfly Larch Sawfly Loblolly Pine Sawfly Mountain Ash Sawfly Oak Sawfly Pear Sawfly (also known as Pear Slug) Pine Sawfly (European, Introduced, Redheaded, and Virginia) Raspberry Sawfly Roseslug Sawfly White Pine Sawfly Willow Sawfly Yellowheaded Spruce Sawfly Lesser Willow Sawfly Larvae. Hi ian, These are Sawfly Larvae and we found a photo on FlickR that looks identical that identified them as Lesser Willow Sawfly Larvae, Nematus pavidus. ... and lesser gooseberry sawfly (N. leucotrochus). Hosts: Willow and to a lesser extent poplar. They have black heads and are 18 mm (3/4") when full grown. Sawfly damage is caused by the larvae that feed on the plants in several different ways, depending on the species. The gall is commonly seen but the adult sawfly rarely so. The most common North American species is the elm sawfly (Cimbex americana), a dark blue insect about 2.5 cm (1 inch) long. We verified that ID on BioLib as well as on Naturespot UK. Many hundreds of different types of sawfly cause problems in the garden. Damage: ( Phyllocolpa sp. extended approaching caterpillar of lesser Willow sawfly ( Nematus pavidus ) Leaf-folding sawfly (! Kim Taylor / Parasitic wasp ( Braconidae ) with ovipositor extended approaching caterpillar of lesser Willow sawfly ( leucotrochus. 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