174 HYMENOPTERA OF AMERICA NORTH OF MEXICO 



lEustiphrosomus Hincks. 



A revision will probably show several segregates here, or a single heter- 

 ogeneous group. 



Tribe CTENOPELMATINI 



Genus CTENOPELMA Holmgren, pp. 324, 325 



Several undescribed Nearctic spp. belong here, 



XENOSCHESIS subgenus XENOSCHESIS Foerster, p. 325 



Polycinetus Thomson. Delete type citation. Transf. to syn. of subg. Po- 

 lycinetis Foerster as emend. 



XENOSCHESIS subgenus POLYCINETIS Foerster, p. 325 



Polycinetus Thomson. Emend. Preocc. Transf. from syn. of subg. Xen- 

 oschesis Foerster. 



Tribe MESOLEIINI 



Genus PERILISSUS Holmgren, pp. 326-327, Sup. 1, p. 55 



*Ichnaeops Foerster, 1868. Naturh. Ver. Rheinlande Verb. 25: 197. 



Type: Perilissus lutescens Holmgren. Incl. and desig. by Per- 

 kins, 1962. 

 *Exacrodus Foerster, 1868. Naturh. Ver. Rheinlande Verb. 25: 210 (syn. 

 teste Townes, Townes, and Gupta, 1961, pp. 213-214). 



Type: (Exacrodus populans Morley) = cingulator (Morley). 

 Incl. by Morley, 1913. 

 *Pseudochorus Rao, 1953. Indian Forest Rec. (n.s., Ent.) 8: 195. (syn. 

 teste Townes, Townes, and Gupta, 1961, pp. 213-214). 



Type: (Pseudochorus kuriani Rao) = cingulator Morley. 

 Orig. desig. 



Genus LABROSSYTA Foerster, p. 328 



Labrossyta Foerster. Change type citation to: Ichneumon scotopterus 



Gravenhorst. Incl. by Thomson, 1894. 

 *Labrossytus Thomson, 1894. Opusc. Ent., fasc. 18, p. 2001. Emend. 



Genus Laphyroscopus Foerster, p. 328 



Laphyroscopus Foerster. Delete type citation. Syn. of Lathrolestes Foer- 

 ster, p. 328. 



capitatus (Cresson). Transf. to *Nanium Townes, n. gen. 



longipes (Davis). Transf. to *ZapIethocornia Schmiedeknecht. 



Genus LATHROLESTES Foerster, pp. 328-329 



Lathrolestes Foerster. Change type citation to: Tryphon clypeatus Zet- 

 terstedt. Desig. by Viereck, 1914. (See Perkins, 1962, p. 435.) 



Laphyroscopus Foerster (syn. teste Townes, Townes, and Gupta, 1961, 

 pp. 214-215; Perkins, 1962, p. 434). Change type citation to: 

 {Tryphon gorskii Ratzeburg) = luteolator Gravenhorst. Desig. by 

 Viereck, 1914. 



Lathrolestus Thomson. Delete type citation. Add : Emend. 



Luphyroscopus Thomson. Delete type citation. Add : Emend. 



♦Genus NANIUM Townes, n. gen. 

 ( = Laph/roscopus of authors) 



Type: Tryphon capitatus Cresson. Orig. desig. 

 The genus is one proposed by Townes (MS) for Laphyroscopus capitatus 

 (Cresson), invalid type desig. for Laphyroscopus Foex'ster. His description 

 follows : 



