136 



ENTOMOLOGICAL NEWS. 



[May, '02 



3. Pseudolecanium obscurum Parratt. 



L/ost Springs, Parsons, Fredouia 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 L-ARVAL ANTENNA. 



FORMULAE OF L/ARVAL ANTENNAE. 



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



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



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



disticlium, 6, i, 2, 3, (4,5). 



BIBLIOGRAPHY OF THE GENUS PSEUDOLECANIUM. 

 Pseudolecanium 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. 



Pseudolecanium (Niderlaria) californicum Ehr. 



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



1900. Parratt Kans. Agr. Exp. Station, Bui. No. 98, p. 145. 



Pseudolecanium obscurum Parratt. 



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



ALSTEAD SCHOOL OK NATURAL HISTORY, SESSION OF 1902. A course 

 in Zoology, with special reference to Entomology, will be given by Mr. 

 W. L. W. Field. Session opens Tuesday, July ist, and closes August 4th. 

 The fee, covering board, tuition and excursions, will be $150. The session 

 will be held at Alstead Centre, New Hampshire. Apply to W. L. W. 

 Field, at Milton, Mass. 



