S. Mahunka szerk.: Folia Entomologica Hungarica 64. (Budapest, 2003)

Periclistus Foerster, 1869 Periclistus is similar to Ceroptres genus in the shape of the first metasomal tergite but females have the 2nd metasomal tergite completely fused with the 3rd (a suture is present between them in males); the face with striae irradiating from clypeus, except in the median area which is convex (Fig. 2A). Three species are known from the Western Palaearctic region and two of them are present in Hungary. Key to the Western Palaearctic species of the genus Periclistus Foerster 1. Mesopleuron completely striate (Fig. 3A); notauli complete, although sometimes weakly impressed; 2nd and 3rd fused metasomal tergites of female and 3rd tergite of male punctuate in dorso-posterior part or without punctures P. brandtii (Ratzeburg, 1831) Fig. 2. Periclistus brandtii (A) and Saphonecrus connatus (B, C). Head in frontal view (A, B); mesosoma in dorsal view (C)