Willow Shoot Sawfly vs Dibrachys Pupal Parasite

Side-by-side species comparison

Attribute Willow Shoot Sawfly Dibrachys Pupal Parasite
Scientific Name Janus cynosbati Dibrachys cavus
Order Hymenoptera Hymenoptera
Family Cephidae Pteromalidae
Size 8-11 mm 1.5-3 mm
Habitat Hedgerows Farmland
Diet Omnivores Parasitoids
Regions North America Europe, North America, Asia
Conservation Least Concern Not Evaluated

Willow Shoot Sawfly

A slender, dark stem sawfly whose larvae bore into the shoots of willow and rose. Females cause distinctive wilting of shoot tips by girdling the stem.

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Did You Know?

The wilted, flagging shoot tips caused by this sawfly are often the most visible sign of its presence in wild rose thickets.

Dibrachys Pupal Parasite

A gregarious parasitoid wasp that attacks the pupae and cocoons of many different insect hosts. It is a generalist and sometimes acts as a hyperparasitoid of other beneficial wasps.

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Did You Know?

It has one of the broadest host ranges of any parasitoid wasp, recorded from over 100 different insect species.