Fig. 9
From: Aquatic invertebrate mandibles and sclerotized remains in Quaternary lake sediments
Hemipteran heads and mouthparts. a Pleidae: Plea minutissima (Leach, 1817). b Corixidae: Arctocorisa sp. c Naucoridae: Ilyocoris cimicoides (Linnaeus, 1758). d Corixidae: Corixa punctata (Illiger, 1807). e Pleidae head. f Gerromorpha head, note that labium segments are pointing to the right of the image. g Nepidae: Ranatra sp. head. h Gerridae: Gerris sp. head. a–h were prepared specimens. Scale bars are 0.1 mm