Large Larch Sawfly vs Yellow-headed Scoliid

Side-by-side species comparison

Attribute Large Larch Sawfly Yellow-headed Scoliid
Scientific Name Nematus erichsonii Campsomeriella annulata
Order Hymenoptera Hymenoptera
Family Tenthredinidae Scoliidae
Size 8-10 mm (adult) 20-30 mm
Habitat Forests Farmland
Diet Omnivores Parasitoids
Regions Europe South Asia, Southeast Asia
Conservation Not Evaluated Least Concern

Large Larch Sawfly

A gregarious defoliator of larch in European forests. Larvae feed in groups and can rapidly strip branches of needles.

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Did You Know?

Defoliated larch trees produce a second flush of needles but suffer significant growth reduction.

Yellow-headed Scoliid

A large dark wasp with prominent yellow head markings and smoky wings. It is a parasitoid of large scarab beetle grubs in tropical Asian soils.

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Did You Know?

It has been used in biological control programs against coconut rhinoceros beetles threatening palm plantations.