Hymenoptera aculeatcc collected in Algeria. 413 



spine ; abdomen closely but not quite so coarsely punctured as the 

 head and thorax, posterior margin of the 1st segment very slightly 

 and of the 2nd very distinctly raised, a spot on the apical margin 

 of the first segment, a transverse spot on the disk of the 2nd towards 

 the apex black, apical segments sometimes more or less infuscate ; 

 beneath with the 2nd segment convex, its basal costaj rather lung 

 but not very strongly developed, legs with the coxse at the base 

 black. 



Long. 8 mm. 



A very distinct species by the strongly punctured 

 tegulse, the peculiar coloration, somewhat resembling 

 clilorolicus, and the long spines of the apical scales of the 

 propodeum. 



$ 1, $ 4. Biskra, cornlands bordering the route des 

 Zibans, on Amvvi visnai/a, 10.30 a.m. and 

 1-3 p.m., 18 and 24, v, 93. (A. E. E.) 

 $ 2. Biskra, outskirts of the oasis, 17 and 19, v, 

 97. {A. E. E.) 



$1, ? 5. Biskra, 5, v-9, vi, 98. (F. J). M.) 



Odynerus (Lionotus) doursii, Sauss. 



$ 1. Constantine, visiting Marubium vulgare, 29, v, 95. 

 (A. E. E.) 



Odynerus {Lionotus) pontebvE, Sauss. 



t 1. Medea, 28, vi, 93. {A. E. E.) 



$ 1. Constantine, 18, vi, 98. (F. 1). 31.) 



Odynerus (Lionotus) parvulus, Lep. 



Numerous specimens of both sexes from Biskra, Le Tarf, 

 Hippone, Bone, frequently on Ammi visnaga, iv- 

 viii. (A. E. E. and F. D. M.) 



Odynerus (Lionotus) bispinosus, Lep. 



$ 2. Biskra, 28, v, 3, vi, 93. {A. E. E.) 

 $ 1. Algiers, 13, iv, 98. (F. D. M.) 

 $ 1. Constantine, 17, vi, 98. (F. B. M.) 

 % 1. Biskra, 24, v, 98. (F. D. M.) 



TRANS. ENT. SOC. LOND. 1905. — PART IV. (DEC.) 28 



