Insects Feeding
on Black Walnut
(Juglans nigra)

Insect Species  
Scientific Name &
Common Name (if any)
Insect Family
Babia quadriguttata Chrysomelidae
(Leaf Beetle family)
Cryptocephalus guttulatus Chrysomelidae
(Leaf Beetle family)
Paria quadrinotata Chrysomelidae
(Leaf Beetle family)
Xanthonia striata Chrysomelidae
(Leaf Beetle family)
Conotrachelus retentus*
(Black Walnut Curculio)
Curculionidae
(Weevil family)
Chrysobothris femorata**
(Flatheaded Apple Tree Borer)
Buprestidae
(Metallic Wood-Boring Beetle family)
Lepturges pictus** Cerambycidae
(Long-Horned Beetle family)
Strangalepta pubera** Cerambycidae
(Long-Horned Beetle family)
Tessaropa tenuipes** Cerambycidae
(Long-Horned Beetle family)
Corythucha juglandis
(Walnut Lace Bug)
Tingidae
(Lace Bug family)
Brochymena punctata punctata Pentatomidae
(Stink Bug family)
Brochymena quadripustulatus Pentatomidae
(Stink Bug family)
Parabrochymena arborea Pentatomidae
(Stink Bug family)
Plagiognathus albatus Miridae
(Plant Bug family)
Plagiognathus punctatipes Miridae
(Plant Bug family)
Monellia caryella Aphididae
(Aphid family)
Monelliopsis caryae Aphididae
(Aphid family)
Monelliopsis nigropunctata Aphididae
(Aphid family)
Rhagoletis suavis***
(Walnut Husk Fly)
Tephritidae
(Fruit Fly family)

*adults feed on shoots, larvae feed on nuts,
causing premature drop

**larvae bore through wood, ***larvae develop in husk of nuts

Note: Lepidoptera are excluded from this table.

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