222 HYMENOPTERA. 



thorax very finely wrinkled transversely, and having on each side 

 before the tegulse a short impressed Une ; the metathorax very 

 delicately transversely striated, beyond the enclosed portion ru- 

 gose ; the wings hyaline with stains of yellow, the nervures and 

 tegulffi behind pale ferruginous ; the apical margins of the 

 wings faintly clouded. Abdomen : the petiole elongate, the 

 second joint towards the apex beneath, and the base of the first 

 segment of the abdomen ferruginous. 



Hab. California. 



62. Ammophila Gryphus. B.M. 



Female. Length 14-16 lines. — Black : the face thinly covered 

 with silvery pile ; the cly}ieus slightly produced, punctured and 

 subemarginate ; the vertex smooth, and covered, as well as the 

 cheeks, with a thin fine silky pile ; the pro- and mesotliorax 

 transversely striated, the latter having a central longitudinal 

 impressed hue ; the scutellum and post-scutellum longitudinally 

 striate ; the metathorax obliquely striated ; the tubercles silvery, 

 an oblique silvery stripe beneath the wings, and a similar one 

 behind it on the sides of the metathorax, the apex of the latter 

 and the posterior cox?e above covered with silvery pile ; the 

 wings subhyaline, with a narrow fuscous stripe beyond the mar- 

 ginal cell. Abdomen : the petiole elongate, the second joint 

 beneath, at its apex above, and the first segment of the abdomen 

 ferruginous ; the following segments obscurely aineous. 



Male. — Sculptured and adorned like the female, differing in 

 being rather smaller, and in the abdomen and petiole being black 

 above, the basal segment of the abdomen ferruginous beneath. 



Hab. North America (Charleston; East Florida; California). 



Specimens from California are smaller and have more red on 

 the abdomen ; in every other particular they agree with those 

 from the Eastern States. 



63. Ammophila SjEva. B.M. 



Female. Length 11-12 lines. — Head and thorax black ; the 

 face and cheeks covered witli short silvery pubescence ; the ver- 

 tex smooth and shining. The pro- and mesotliorax transversely, 

 irregularly and coarsely striated, and each having a central lon- 

 gitudinal deeply impressed line ; the mesotliorax has also poste- 

 riorly a deep longitudinal depression on each side of the central 

 one ; the metathorax has the enclosed portion obliquely striated 

 from the centre ; the sides of the thorax and the pectus rugose ; 

 a minute spot of silvery pubescence beneath the wings at their 



