Fig. 3 in A review of Thysanarthria with description of seven new species and comments on its relationship to Chaetarthria (Hydrophilidae: Chaetarthriini)

Fig. 3. Morphology of Thysanarthria. A – mentum and maxillary palps; B – meso- and metaventrite and meso- and metafemora; C – head and prothorax in ventral view; D – antenna; E – ultimate maxillary palpomere with basal peg-like setae; F – metatarsus; G – ventral view with gelatinous substrance on the base of abdomen; H – detail of abdomen with gelatinous substance in the cavity on ventrites 1–2. A, C–F – Thysanarthria championi (Knisch, 1924); B, G–H – T. atriceps (Régimbart, 1903).