Their mouthparts include a prominent proboscis formed from maxillary galeae , and are adapted for sucking nectar .
Adults have a hardened exoskeleton , except for the abdomen which is less sclerotised .
Adults ' mouthparts include a prominent proboscis formed from maxillary galeae , and are adapted for sucking nectar .
Adults have a hardened exoskeleton , except for the abdomen which is less sclerotised .