176 



Vibrio p i er i s 



Insect concerned: Pieris "brass icae . 



Paillot (1933) refers to this organism as having "been 

 frequently encountered in the caterpillars of Pieris 

 "brass icae which had "been parasitized "by larvae of Apanteles 

 glome ratus . 



Paillot, A. 1933 L 1 infection chez les insects, 535 PP» 

 Imprimerie de Trevoux, Paris. (See p. 13k. ) 



Family: RHIZOBIACEAE 

 Genus : Alcaligenes 



Alcal I genes AMV10N I AGENES Castellani and Chalmers 



Associated insects: The imperial moth, Eacles imperialis ; 

 the "blister "beetle, Epicauta pennsylvani ca ; and Urographies 

 fasciata . 



Bacteria very similar to Alcaligenes ammoniagenes were 

 found in the ahove-listed insects "by Steinhaus (19^1) • 

 For a description of the organism see Bergey's Manual. 

 (1939, 5th ed. , page 99). 



Steinhaus, E. A. 19^1 A study of the "bacteria associated 

 with thirty species of insects. J. Bact. , kg, 757-790. 



Alcal i g i nes stevensae Brown 



Insect concerned: Malacasoma americana . 



Brown (1927) isolated this organism from crushed egg 

 masses of the moth, Malacosoma americana F. According to 

 Brown, the organism is prohahly allied to Alcaligines 

 "bronchisepticus . ' He has given a complete description of 

 the organism. 



*Brown, F. M. 1927 Description of new "bacteria in 

 insects. Am. Mus. Novit. , No. 251, 11 pp. 



