Gonocerus insidiator is a species of squash bugs belonging to the family Coreidae.

[1][2] This holomediterranean species is mainly found in France, Italy, Greece, Portugal, Spain and former Jugoslavia.

These squash bugs have greenish protruding eyes and long reddish brown antennae composed with four segments.

Pronotum, at the humeral corners, is wider than the abdomen, including connexivi[check spelling].

Gonocerus insidiator feed on sap from various host plants and fruits, especially on Pistacia lentiscus, Arbutus unedo and Cistus species.