Introduced Pine Sawfly vs Goat Biting Louse

Side-by-side species comparison

Attribute Introduced Pine Sawfly Goat Biting Louse
Scientific Name Diprion similis Bovicola caprae
Order Hymenoptera Phthiraptera
Family Diprionidae Trichodectidae
Size 7-10 mm (adult) 1-2 mm
Habitat Farmland Ponds & Lakes
Diet Omnivores Omnivores
Regions Europe, North America Worldwide
Conservation Not Evaluated Least Concern

Introduced Pine Sawfly

A European sawfly introduced to North America that feeds on white pine and other five-needled pines. Larvae feed gregariously and can heavily defoliate trees.

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Did You Know?

It was first detected in Connecticut in 1914 and quickly spread across northeastern North America.

Goat Biting Louse

A chewing louse infesting domestic goats worldwide. It feeds on skin flakes and causes intense itching and coat damage.

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Did You Know?

Angora goats are particularly susceptible because their long mohair provides an ideal habitat for these lice.