136 



Family: LACTOBACTER IACEAE 

 Trihe: Streptococceae 

 Genus : Diplococcus 



D I PLOCOCCUS BOMBYC I s Paillot 



Insects concerned: The silkworm, Bombyx mori; Euproctis 

 chrysorrhoea ; the gypsy moth, Porthetria ( Lyman tria ) 

 dispar ; Eriogaster lanestris ; and Vanessa urticae . 



Paillot isolated a coccohacillus, which he called 

 Diplococcus tombycis , from the silkworm. He states (1933) 

 that in this coccohacillus there are constantly present 

 transverse, double "bands of " chroma tophiles. " Both the 

 larvae of Porthetria dispar and Euproctis chrysorrhoea were 

 found to he very resistant to infection with the organism, 

 while the larvae of E. lanestris and Vanessa urticae were 

 easily infected. 



Paillot, A. 1933 L' infection chez les insectes, 535 PP« 

 Imprimerie de Trevoux, Paris. (See pp. 158, 182, and 

 303.) 



D 1 PLOCOCCU s L 1 p AR I s Paillot 



Insect concerned: The gypsy moth, Porthetria ( Lymantria ) 

 dispar . 



Diplococcus liparis was isolated "by Paillot (1917) from 

 larvae of the gypsy moth. This organism appeared to "be of 

 little pathogenic importance. 



* Paillot, A. 1917 Microhes nouveaux parasites des 

 chenilles de Lymantria dispar . Compt. rend, hehdom. 

 Seances acad~ sci. , iSk , 525~527« 



Paillot, A. 1935 L' infection chez les insectes. 535 pp., 

 Imprimerie de Trevoux, Paris. (See 299~300. ) 



D I PLOCOCCU S LYMANTR I AE Paillot 

 (See Bacillus lymantria e and Coccohacillus lymantriae . ) 



Insect concerned: The gypsy moth, Porthetria ( Lymantria ) 

 dispar. 



