Key to common families of insects in Spencer Creek
41a) Abdominal segment 1 lacking dorsal and lateral humps. Pronotum (first thoracic segment)
divided by a sharp furrow across middle.BRACHYCENTRIDAE
41b) Abdominal segment 1 with lateral humps. No median furrow across pronotum.42
Return to Couplet 40
Return to BioMAP Central