Figure 6 in Evidence for the evolution of eusociality in stem ants and a systematic revision of †Gerontoformica (Hymenoptera: Formicidae)

Figure 6. Details of the pronota and metapleural glands of †Gerontoformica. A, B, fluorescent light microscopy; C–G, standard photomicroscopy. A, B, †G. sternorhabda sp. nov. paratype (UFV-LABECOL-009656). C, †G. pilosa (ANTWEB1038931). D, †G. sternorhabda sp. nov. non-type (JWJ-BU21). E, F, †G. gracilis holotype (JZC-Bu324A). G, †G. near or conspecific with gracilis (ANTWEB1032649). Abbreviations: msnttc, transverse carina of mesonotum; mtplglb, metapleural gland bulla; mtplgldf, metapleural gland dorsal flange; mtplglvf, metapleural gland ventral flange; mtvlc, ventrolateral carina of metathorax; mtntsp, metanotal spiracle; mtnt, metanotum; pntl, pronotal lobe; pntfl, lateral pronotal flange; pntfm, medial pronotal flange; ppdsf, anterior flange of propodeal spiracle; ppl, propleuron; pt, petiole.