AMMOPHTLA.. 229 



b-. Median segment above transversely 



or obliquely striate along the 



middle. 



a^. Mesonotum i-aised in the middle, 



with a longitudinal furrow on 



each side A. vayabunda, p. 231. 



6'. Mesonotum not raised in the 



middle nor sulcate A. nigrlpes, p. 231. 



b. Pro- and mesonotum punctured, not 

 striate, median segment only striate. 

 a' . Legs red. 



«^. Posterior tibiae and tarsi black . . A. Icevigata, p. 231. 

 b^. Posterior tibise and tarsi red. 

 a^. Abdomen wholly red, or red with 

 all the segments above fuscous 



black A. elegans, p. 232. 



b^. Abdomen with segments 5 and 6 



always entirely black A. smithii, p. 232. 



V, Legs black. 



a-. Abdomen massive, broad and 

 slightly flat; median segment 



not carinated A. brevipetmis, p. 232. 



b'^. Abdomen more or less cylindrical, 

 acutely pointed at the apex, not 

 flat ; median segment with a 



marked medial longitudinal carina. A. punctata, p. 233. 

 B. Petiole of abdomen one-jointed. 



a. Tarsal claws unidentate. 



a'. Legs and petiole red A. fuscipennis, p. 233. 



b'. Leg.s and petiole black. 



«^. Median segment punctured, not 



striate A, Iceta, p. 234. 



b^. Median segment obliquely striate, 

 with a medial longitudinal furrow 



bearing a carina down the middle . A. hirticeps, p. 234. 

 c^. Median segment transverely striate 

 above and on the sides and not 

 furrowed, 

 a'. Abdomen red and black ; wings 



hyaline A. apicata, p. 234. 



h^. Abdomen wholly black ; wings 



dark fusco-hyaline A. mandibulafa, p. 234. 



b. Tarsal claws bidentate A. erythrocephalu, p. 235. 



A. Petiole of abdomen two-jointed. 



428. Ammophila atripes, S?mth, A. M. N. H. (2) ix, 1852, p. 46 ; id. 



Cat. iv, p. 217 ; Cam. Mem. Manch. L. Ph. Sac. (4) ii, 1889, 



p. 93. 

 Ammophila slmillima, Smith, Cat. iv, p. 217. 

 Ammophila pulchella. Smith, Cat. iv, p. 218. 

 ? Ammophila longiventris, Satiss. Novara-Reise, Hym. p. 24," cf. 

 Ammophila spinosa, Smith, A. M. N. H. (4) xii, 1873, p. 259, $. 

 Ammophila buddha, Cam. Mem. Manch. L. Ph. Sac. (4) ii, 1889, 



pp. 93 & 94. 



2 • Head, legs, and abdomen smooth and shining ; pronotum. 



