Key to common families of insects in Spencer Creek
3a) Fore wings leather-like in basal half, veins distinct in distal half. Mouthparts consist of a
jointed beak for piercing and sucking, which is directed beneath the head backward between the
fore legs. Adults. Bugs -- 29



3b) Fore wings hard and shell-like (called an elytra) without any veins. Mandibles present
(chewing mouthparts). Adults. Beetles -- 53


Return to Couplet 2
Return to BioMAP Central