Illustrated key to genera and catalogue of Mymaridae (Hymenoptera) in America north of Mexico Author Huber, John T. Author Read, Jennifer D. Author Triapitsyn, Serguei V. text Zootaxa 2020 2020-05-12 4773 3 1 411 journal article 22231 10.11646/zootaxa.4773.1.1 d1ca4b58-0fd8-4bcb-8f81-12fc2c106b55 1175-5326 3821373 B1D8D67C-4FDC-477E-872F-E8BCD4D027FB CLERUCHUS Enock, 1909 ( Figs 279–310 ) Cleruchus Enock, 1909: 453 . Type species: Cleruchus pluteus Enock, 1909 , by monotypy. Eucleruchus Ogloblin, 1940: 600 . Type species: Eucleruchus neivai Ogloblin, 1940 , by original designation. Synonymy by Luft Albarracin et al. , 2009: 3 . Stenopteromymar Ferrière, 1952: 41 . Type species: Stenopteromymar biciliatus Ferrière, 1952 , by monotypy. Synonymy by Viggiani, 1974b: 88 . Paracleruchus Yoshimoto, 1971: 1079 . Type species: Paracleruchus pieloui Yoshimoto, 1971 , by original designation. Synonymy by Viggiani, 1974b: 88 . Douttiella Annecke, 1961b: 71 . Type species: Douttiella depressa Annecke, 1961 , by original designation. Synonymy by Noyes & Valentine, 1989: 31 . Haplochaeta Noyes & Valentine, 1989: 35 . Type species: Haplochaeta mandibularis Noyes & Valentine, 1989 , by original designation. Synonymy by Lin et al ., 2007: 29 . Bakkendorfia Mathot, 1966: 229 . Type species: Bakkendorfia musangae Mathot, 1966 , by original designation. Synonymy by Huber & Triapitsyn, 2017: 40 . Diagnosis . Body length 330–1040 μm. Head in lateral view with face strongly projecting anteriorly, with a sharp angle (about 90°) between dorsal and ventral surfaces and toruli just dorsal to angle ( Figs 280 , 284a , 295 ); vertex with ocelli in a low, wide triangle, the lateral ocelli at posterolateral angles next to posterior apex of supraorbital trabecula ( Figs 281 , 296 ); funicle segments quadrate ( Fig. 285 ) to wider than long; clava 1-segmented ( Figs 280 , 285 ); frenum entire ( Fig. 287 ); fore wing narrow and parallel-sided, with widest point at posterior lobe opposite or just distal to venation ( Figs 279 , 292 ); ovipositor short, less than half length of gaster ( Figs 290 , 305 ). Discussion . Cleruchus and Platystethynium ( Platypatasson ) belong in the Cleruchus group of genera, which consists of species with rather dorsoventrally flattened bodies, claval segments quadrate or shorter than wide ( Figs 285 , 805 ) and head in lateral view triangular, with face strongly projecting anteriorly ( Figs 280 , 284 , 295 , 800 , 804 ) so toruli are well anterior to the mouthparts. This group could be treated a subgroup within a larger Anagrus group of genera depending on which features are used to define the group. Cleruchus differs from Platystethynium ( Platypatasson ) by the clava 1-segmented (entire) clava. Nearctic hosts . Coleoptera : Curculionidae , possibly Ciidae . Important reference . Triapitsyn (2014a) .