1903- Carpenter & BerEsford. — Vespa atcsiriaca ^ V. ru/a. 237 



'96A. Saunders, B. — The HymenopteraAculeata of the British Islands. 



Loudon, 1896. 

 '96B. Rare Diploptera in Dorsetshire. Eut. Mo. Mag.^ vol. 



xxxii., 1896, pp. 212-13. 

 'o2A. H3^menoptera collected by Col. Yerbury in S.W. 



Ireland in 1901. E7it. Mo. Mag.^ vol. xxxviii., 

 1902, pp. 51-5. 

 'o2B. Wasps in Ireland and Berkshire : a Specific Com- 



parison, t.c, pp. 223-4. 

 '53. SCHENCK, C. F. — Beschreibung der Nassauischer Arten der Familie 



der Faltenwespen. /ahrb. Vereins f. Naturk. 

 Nassau, vol. ix., 1853, pp. 1-87, 

 '61. Die deutschen Vesparien. lb., vol. xvi., 1861. 



'81. ScHMiEDEKNECHT, O. — Uebereinige deutsche Vespa-arten. Entom. 



Nacht., vol. vii., 1881, pp. 313-318. 

 '99. Si^ADEN, F. W. Iv.— Bombi in captivity and Habits of Psithyrus. 



Entom. Mo. Mag., vol. xxxv., 1699, pp. 230-4. 

 '43. Smith, F. —Descriptions of the British Wasps. Zoologist, vol. i., 1843, 



pp. 16T-171. 

 '49. Descriptions of New Species of British Bees [Notes at 



end]. /</., vol. vii., 1849, p. Ix. 

 '58. Catalogue of British Fossorial Ilymenoptera, For- 



micidse and Vespidse in the Collection of the British 

 Museum. London, 1858. [pp. 218-19]. 

 '74. Thomson, C. G. — Hymeuoptera Scandinaviae. Vol. iii. Stockholm, 

 1874 (p. 22). 



Fig. 



Explanation of Pirate 2. 



face view. 



I. Head of typical male Vespa rtifa, 

 i. „ „ V, atistriaca, 



^ \ Heads of varieties of male V. rufa, face view. 

 4-1 



5 J 



11. 

 iii. 

 iv. 



V. 



Magnified 4 

 times. The hairs 

 are omitted in 

 order to show 

 the markings 



■ Heads of varieties of male V.^austriaca, idiC^WQW. ■'' 



6. Armature of typical male V. rufa, ventral view, 

 vi. V, austriaca, „ 



St., stipes; sa., 

 united sagittee; 

 a, b, internal and 

 \ terminal pro- 

 cesses of stipes, 

 Magnified 8 

 times. 



