ICHNEUMO>JID,E. — CRYPTUS. 291 



the female, basal segment^black, of the female with a testaceous dot at the 

 tip, the following segment testaceous straw-colour on the back, and 

 appearing transparent ; the 5th and following sometimes totally black, with 

 the extreme margins obsoletely testaceous ; ovipositor one-third the length 

 of the abdomen ; legs slender, straw-colour, or reddish ; posterior pair 

 sometimes with the knees, and the tarsi and tibiee, or the apex of the latter 

 fuscous, or blackish ; wings hyaline, iridescent ; cellule 5-angular, 

 Rare: taken near Andover by the Rev. G. T. Rudd. 



Sp. 39. pellucidator. Niger, pedibus anteriorihus, nee non segmentorum inter- 

 mediorum dorso, testaceo-stramineis, segmento l-mo lineari. (Long. corp. 2^ 

 —3 lin. ; Exp. Alar. 4 — 5% lin.) 



Cry. pellucidator. Gravenhorst, ii. 581 — Steph. Nomen. 2d edit. Gen. 721. 39. 



Black : palpi white ; antennje slender, porrect, nearly as long as the body, 

 totally black; abdomen elongate-clavate, rather depressed, the basal 

 segment slender, linear, black, the lateral tubercles prominent ; 2nd with a 

 spot at the apex or margin, 3rd with the back entirely or in the middle, and 

 occasionally the 4th also, pellucid-testaceous, reddish, or rusty; 'legs 

 slender, 4 anterior straw-colour, posterior fuscous or black, rarely with the 

 greater portion pale, the tip of the coxae, the trochanters, and base of the 

 femora straw-colour; the femora occasionally nearly all testaceous, and 

 fuscous towards the apex; wings hyaline, iridescent ; cellule 5-angular. 

 Taken in June within the metropolitan district. 



Sp. 40. incubitor. Niger, abdomine rufo, apice nigra, am albo, pedibus rufis, 

 posticis femorum apice tibiisque nigris, his basi albis, antennis 3-coloribus. 

 (Long. corp. 2k— 3i lin. ; Long. ovip. 1^ lin.; Exp. Alar. 4— 5i lin.) 



Ich. incubitor. Stroem. teste Gravenhorst, ii. 591.— Steph. Nomen. 2d edit. 

 Gen. 721. 40. 



Black : antenna; rather slender, curved at the tip, half the length of the body, 

 basal joint sometimes tawny, 2nd to 4th fulvous, occasionally pitchy 

 beneath, 7th to 10th white, fuscous below, remainder also fuscous beneath ; 

 abdomen ovate, 1st segment red, petiole more or less black, 2nd and 3rd red, 

 remainder black, the base or sides of the 6th reddish, the 6th and 7th more 

 or less white at the tip ; ovipositor scarcely half the length of the abdomen, 

 red, with black sheaths ; legs slender, red, 4 anterior sometimes with the 

 trochanters fuscous, the apex of the hinder femora and the tibise black, the 

 base of the last white ; tarsi reddish or fuscous ; wings hyaline ; cellule 

 subquadrate. 



Scarce : found near London in June. 



Sp. 41. migrator. Niger, abdomine rufo, apice nigro, ana albo, apiee femorum 

 anticorum et latere altera tibiarum anteriorum rufis, tibiis posticis basi albis ; 

 foemina antennarum annulo albo,femoribus posticis rufis apice nigro. (Long. 

 corp. 3— 4| lin.; Long. ovip. U lin. ; Exp. Alar. 5—7^ lin.) 



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