A. TULLGREN, HYMENOPTERA ACULEATA FROM THE CAMEROONS. 461 



Scolia (Dielis) leonina Dalm. 



1<S23. Scolia leonina Dalman, Annal. entomol. p. 90. 



1855. Scolia? signata Smith, Cat. Hy ni. Ins. Brit. Mus. 

 P. III, p. 105. 



1864. Scolia leonina Saussure & Sichel, Cat. spec. gen. 



Scolia p. 253. 



1864. Scolia? signata Saussure & Sichel p. 176. 



1897. Scolia leonina Dalla Torre, Cat. Hym. 8: i, p. 167. 



Fem a le. — Black, the three first abdominal segments 

 with a transverse broad yellow band at the hind-margin. 

 The first band slightly emarginated rounded at the sides, the 

 second and third band deeply and broadly emarginated in 

 the middle-line and a little obliquely excised at the sides. 

 The head and the thorax densely clothed with long brownish 

 yellow hairs (»fere ut in BombisV). The abdominal segments 

 ciliated with long yellow hairs. The epipygium with golden 

 red hairs. The legs densely clothed with long yellow hairs. 



The clypeus with a longitudinal ridge in the middle-line 

 on each side slightly wrinkled and punctured. The front 

 and the vertex densely punctured. The interval between the 

 posterior ocelli nearly as long as the distance from the eyes. 

 The thorax densely punctured. The abdomen nearly ini- 

 punctate. 



The wings hyaline with brownish nervures. The radial 

 cell twice as long as high. 



Length 28 mm. Exp. 46 mm. 



Besides the species mentioned above I have examined two 

 types of species described by De Greer. 



Belenogaster petiolatus De Geer. 



1778. Vespa petiolata De Greer, Mém. hist. Insect. VII, 

 1778, p. 610. T. 45, fig. 10. 



1825. Polistes petiolata Lepeletier, Encycl. méthod. Ins. 

 X, p. 173. 



1894. Belenogaster petiolatus Kohl, Ann. nat. Hofmus. 

 Wien IX, p. 337. 



1894. Belenogaster brachycerus Kohl 1. c. p. 331. 



