34 PEOCEEDINGS OF THE NATIONAL MUSEUM vol.75 



segment bearing a single, transverse, elongate sclerite with five setae 

 on each side. 



Tenth abdominal seginent. —On each side with a lateral sclerite 

 carrying minute setae. 



Habits. — Feeding on the leaves of Achillea inUlefolia^ Cardmnine 

 pratensis, Cerastm77i, and other low-growing plants. 



Pupates in the ground. 



Literature. — 



Henriksen, K. L. 



1927. Danmarks Fauna, No. 31, p. 345. 



GALERUCA LATICOLLIS Sahlberg 



(U. S. Nat. Mus. ; described from a mature larva in vial marked: "On 

 flowers of Thalictrum flavum, 3d July, 1914. Damhus So, near Copen- 

 hagen; J. P. Kryger legit et dedit." Vial contains larvae of different 

 stages, pupae and reared imagines.) 



Mature larva. — About 1-i mm. long. 



The general color and the structuial characters the same as in 

 Galeruca tarvaceti with the following exceptions : 



(1) Scleritas on upper side of mesothorax and metathorax and on 

 the abdominal segments broader at base and less projecting than in 

 taruiceti. 



(2) Setae somewhat shorter than in tanaceti and more yellowish 

 brown. 



(3) Exterior prescutal sclerite of an abdominal segment compara- 

 tively large, and separated from the interior prescutal sclerites by a 

 distance about equal to its own diameter ; carrying four setae. 



(4) Interior scuto-scutellar sclerite of an abdominal segment fused 

 with the corresponding sclerite on the opposite side of the body into a 

 single, compound medial sclerite (fig. 11). The corresponding scle- 

 rites are separate in tanaceti. 



(5) Interior prescutal sclerites of eighth abdominal segment fused 

 or almost fused; conical elevations low and obtuse. Same sclerites 

 distinctly separate and produced into conspicuous tubercles in 

 tanaceti. 



Habits. — Feeding on the leaves of Thalict)^'m -flavum and 

 Aconitv/iii. 



Pupates in the ground. 



Literature. — Larva not formerly described. 



GALERUCA POMONAE Scopoli 



(U. S. Nat. Mus. ; described from a larva contained in vial marked: 

 "Found 2d June, 1905; developed into imago 21 June, 1905. Tils So, 

 Denmark, E. A. Rosenberg legit and dedit.") 



