some allied Genera of Hymenopterovs Insects. 255 



hitherto described, or which 1 have met with in various collec- 

 tions : — 



Sp. 1. Fccnus jaculalor. 

 Niger, mesothorace transverse striolato, abdomine medio rufo, 

 oviductii longitudine corporis, vaginis apice albis, tibiis posticis 

 basi macula alba notatis. 

 Long. corp. cum terebra 5 lln. 11 — 13, (10^ Dahlb.) 

 Habitat per totam Europam. 



Syn. Ichneumon jacula tor, Linn, Faun. Suec. p. 406, 1626; 

 Fabricius, Ent. Syst. 2, p. 177; Fcenus jaculalor, Fabr. Ent. Syst. 

 Suppl. 240; Syst. Piez. p. 141 ; Nees ab Esenb. Hym. Mon. 1, 

 307 ; Dahlbom, Excrc. Hym. pars 6, p. 76 ; Westwood, Introd. 

 Mod. Syst. 2, p. 134, fig. 74, 8—16; Zetterstedt, Lis. Lapp, 

 p. 408. 



Obs. Fabricius tibias posticas " basi apiceque albis" describit, 

 et Neesius et Curtisius easdem partes nigras basi albas 

 (annulo albo,Curt.), tarsis fuscis,posticorum Imo articulo albo, 

 sed de diversitate sexuum in colore harum partium tacent. 

 Dahlbomius tibias et tarsos pedum posticorum in utroque 

 sexu annulis basalibus albis describit, et Zetterstedtius " tibias 

 posticas basi ssepe etiam articulum primum tarsorum annulo 

 albo instructo." Specimina plurima utriusque sexus ipse 

 cepi, omnia inter se (secundum sexum) congruentia, in quibus 

 tibiae posticas omnium macidam albam in facie interna tibi- 

 arum posticarum (nee vero annulum) exhibent, articuloque 

 basali tarsorum posticorum in foeminis (basi excepto) albo, 

 in maribus vero tarsis omnino nigris. Differt foemina abdo- 

 minis colore rufo obsoleto ; talem descripsit GeofFroius (Hist. 

 Lis. Paris, 2, p. 328, Ichneumon, No. 16). 



Sp. 2. Fcenus asscctator. 

 Niger, mesothoracis tergo subtilissime varioloso, abdomine latere 

 rufo maculato, tibiis posticis interdum basi albidis ; niandibulis 

 nigris, apice rufis ; oviductu tibiarum posticarum longitudine 

 vaginis nigris. 

 Long. Corp. $ circiter lin. 5—7, lin. (3|— 4|, Dhlb.) 

 Habitat per totam Europam. 



Syn. Ichneumon assectator, Linn. Faun. Suec. p. 407 ; Fa'iius 

 affectalor, Fab. Ent. Syst. Suppl. p. 240; Esenb. Hym. Monogr. 

 1, p. 308 ; Fccints assectator, Curtis, Brit. Ent. pi. 423 $ ; Dahlb. 

 Exerc. Hym. j). 77. 



T 2 



