302 MANDIBULATA. HYMENOPTERA. 



Phy. ery throstictus. Gravenhorst, ii. 714. — Steph. Nomen. Qd edit. Gen. 72'2. 16. 



Black : palpi straw-colour ; mandibles yellow in the middle ; antennse porrect, 

 the extreme tip incurved, rather shorter than the body; abdomen silky, 

 narrower than the thorax, the basal segment smooth, a little grooved, 

 chestnut, the petiole black, 2nd and 3rd red, 4th red, with the margin black, 

 remainder black ; legs moderate, red, coxae and trochanters, and hinder 

 femora l)lack ; hinder tarsi fuscescent ; wings smoky-hyaline; stigma red; 

 cellule 5-angular, pyramidal. 

 Taken in June, near London, and in Salop. 



Sp. 17. senilis. Niger, facie cano puhescente ; abdomine rufo, basi et aiio nigris, 

 Jemoribus tibiisque anterioribus rujis. (Long. corp. 3 — 4 lin. ; Exp. Alar. 5 — 

 7 lin.) 

 Ich. senilis. GmeUn,p.2704i. — Phy. senilis. Steph. Nomen. 2d edit. Gen. 722.17. 



Black : face and cheeks clothed with an ashy silken pile ; palpi long, ochreous ; 

 antennae with several of the basal joints rusty beneath, the 1st occasionally 

 fuscous; metathorax with 2 rather acute tubercles; abdomen narrower 

 than the thorax, the basal segment black, somewhat linear, grooved, 2nd 

 generally fuscous, with the edge paler, sometimes rusty or red, 3rd rusty or 

 tawny, sometimes fuscescent towards the base, 4th and 5th rusty-red or 

 tawny, 2 following black, the 6th occasionally reddish ; legs slender, 

 4 anterior red, coxae and trochanters black, the latter more or less testaceous 

 at the apex, the middle femora sometimes fuscescent above, tibiae whitish 

 within, posterior black, the apex of the trochanters rusty, tarsi and tibiae 

 fuscous, the last frequently rusty beneath at the base and apex, or wholly 

 chestnut within ; wings rather smoky-hyaline ; cellule somewhat 5- or 

 3-angular. 

 Taken, in June, near London. 



Sp. 18. procerus. Niger, segmeniis 2-4-5 rufis, Jemoribus tibiisque ritfis, 

 posticis apice nigris. (Long. corp. 2§ — 5 lin. ; Exp. Alar. 4 — 6§ lin.) 



Phy. procerus. Gravenhorst, ii. 722. — Steph. Nomen. 2d edit. Gen. 722. 18. 



Black : antennae half the length of the body, porrect ; thorax slightly cylindric, 

 or a little gibbous ; abdomen with the basal segment black, sometimes with 

 a chestnut spot at the apex, the anterior portion small, quadrate, the lateral 

 tubercles prominent, 2nd to 4th red, 5th red, with the angles, a dorsal spot 

 on the apex black, sometimes wholly black, remainder black ; legs rather 

 slender, 4 anterior red, with the base of the femora sometimes black ; coxse 

 and trochanters black, and also the hinder pair ; posterior femora red, [more 

 or less black at the tip ; tibiae red, with the apex black ; wings smoky- 

 hyaline; cellule 5-angular. 

 Found near London, in June. 



Sp. 19. abdominator. Niger, abdomine riifo, peiiolo nigra, tibiis rufis, posticis 



