AGRICULTURAL EXPERIMENT STATION. 107 



below, narrowly bordered with cream color and a narrow line of 

 the same color down the middle mesathorax below, with a narrow 

 yellow curved line in front of the second legs and down the center. 



Scutellum bordered by a cream colored band. 



Wings. — The hard portion bordered laterally by a cream colored 

 band. 



Ahdomen bordered by a yellow brown band and down the center 

 below a row of four blotches of the same color. The general color 

 below, brown, legs brown, the tarse nearly black. The tibia on 

 all the legs encircled in the middle by a band of yellow. 



The mature insect enlarged about one-half is shown in Fig. 6. 



THE ELM TREE BARK LOUSE. 



Lecanium Caryce, Fitch, var. Canadense, n. var. 



Order Hemiptera : Family Coccid.e. 



Extract from a paper, by I. D. A. Cockerell, about to be pub- 

 lished in the "Canadian Entomologist:" 



Scale smooth, shiny, red-brown, convex, malleate but not or 

 hardly plicate. Length 4, breadth 3, height 2 m m., varying to 

 length 5, breadth 4, height 3 m m. (Some Maine specimens 6 m 

 m. long.) Removed from the twigs, the scales leave an oval white 

 mark. (Nappan scales are paler and more yellowish, also some- 

 what smaller. Posterior incision perhaps a little longer ; scales 

 also rather more tending to be plicate.) Male scale ordinary, 

 rugulose. 



With 6 jointed antennae, formula 326154. 3 considerably larger 

 than the remaining joints put together, 1 with 2 hairs ; 2 with 2 

 hairs at its end, one especially long ; 3 with 2 hairs near its end, last 

 joint with several hairs, one especially long. (Nappan antennre 

 practically the same, but 1 larger ; 4 and 5 each show a hair, 6 hardly 

 so long, formula 3(126)54. Maine antennre show one long hair at 

 end of 3, 2 with 1 very long hair, 2 a little longer than 4, 4 a very 

 little longer than 5, 6 a little longer than 2; formula 36245.) 

 Derm obscurely tessellated, with large gland-pits. (In Maine 

 specimens gland pits frequently in pairs.) 



Femur not much larger than tibia. Tarsus hardly 1-3 shorter than 

 tibia ; distinctly swollen at base. Claw rather stout, curved at it& 



