136 



ENTOMOLOGICAL NEWS. 



[May, '02 



3. Psendolecaninm obscnrnm Parratt. 



Lost Springs, Parsons, Fredonia and Green Mound, all in 

 Kansas. 



The following measurements and formulae of larval antennae 

 will assist in the recognition of the known species of the genus : 

 Measurements of Larval Antenna. 



Formula of Larval Antenna. 



Pseudolecanium tokionis, 3, 6, 5, i, 4, 2. 



" Californicum, 6, 3, (4,5) i, 2. 



" obscurum, 6, 3, 4, (1,5 ) 2. 



" disiiclium, 6, i, 2, 3, (4,5). 



Bibliography of the genus J'seudolecanium. 

 Psendolecaoinm tokionis Ckll. 



1896. Cockerell— U. S. Dept. Agr. Div. Ent. Bui. N. S. 

 No. 4, pp. 49-50. 



1896. Cockerell — Psyche Supp., p. 19. 



1896. Cockerell— A Check-list of the Coccidae, Bui. 111. 

 State Lab. Nat. Hist., Vol. IV, p. 329. 



1900. Cockerell — Psyche, Vol. IX, No. 290, p. 71. 



1900. Kuwana— Cont. Biology, Hopkins Seaside Lab., 

 Stanford Univ., XXV, p. 403-4. 



Pseodolecanium (Niderlaria) californicam Ehr. 



1899. Ehr.— Can. Ent., Vol. XXXI, No. 5, p. 103. 

 n.)(\o. Parratt — Kans. Agr. Exp. Station, Bui. No. 98, p. 145. 



Pseadolecaniam obscanun Parratt. 



1900. Parratt — Kans. Agr. Exp. Station, Bui. No. 98, p. 144. 



Alstkad .Scirofn. ok Natural History, Session of 1902. — A course 

 in Zoology, with special reference to EntomoIon;y, will be given by Mr. 

 W. L. W. t'leld. .Se8.sion opens Tuesday, July ist, and closes August 4th. 

 The fee, covering board, tuition and excursions, will be I150. Tiie session 

 will be h«;ld at Alstead Centre, New Hampshire. Apply to W. L. W. 

 Field, at Milton, Mass. 



