Fig. 4 in New Paleogene mantises from the Oise amber and their evolutionary importance

Fig. 4. Fore legs of chaeteessid mantodeans. A. Chaeteessidae gen. at sp. incertae sedis, MNHN-F.A71139, Le Quesnoy, France, Eocene; inner (A1) and outer (A2) side of left fore femur. B. Fore legs of Chaeteessa valida (Perty, 1833), Recent, MNHN collection. C. Habitus of Arvernineura insignis Piton, 1940, MNT NEL1656, Menat, France, Paleocene; photograph with low-angle light (C1), in alcohol (C2). Arrows correspond to tibial major median spines. Scale bars 2 mm.