THE BABE-1 i< 



Bpecies are hoppers, the hind leg : enlarged, wink* 



man ipt the plant and bark lice) have an ovipositor, 



for insertii - in the twige of plants. Manj - i 



. in numerous glands in the .-kin. a white waxv 



powder which covers the body. 



We have al .% srarded, and still regard, the typical 



Eomoptera, such a- Cicada, a- a more highly specialized 



insect than any of tin- Heteropterous Bemiptera; but in 



treating of them in tin- pages of a book, and in deference 



to the views of Eemipterists, we interpolate the sub-order 



between the Pediculina and Heteroptera. 



Family Coccidae — The bark-lice or scale insects ar< ailed from 



the habits and shape of the females, which are wingless, with bodies 

 resembling scales. They insert their long slender beak into tin- hark 

 of trees or Btems and leaves of plants, drawing in the sap, and whin 



Fig chineal Insect, Fii 



male; Female, natural female; '/. its scale; i 



and enlarged 



very numerous do much harm to the plant or tree On the other 

 ha ad. the males have two w ings and a pair of balancers, but no beak, 

 and take no food. The females lay their eggs lieneatb the end of 

 their bodies While the eggs arc generallj Fertilized, in specii 

 Lecanium and A.spidiotus, ihey develop without fertilization by the 

 males. Unlike th< females, the males undergo a metamorphosis, the 

 larva' spinnings cocoon; the pupa 1 remaining therein without moving 

 or taking foorf While mosl of the species are injurv Men. 



the cochineal Coccus Fiu r 64) produces a carmim 

 and lac insects by their punctures cause a flow 



h, when dry, are a valuable article <>f merch 

 With us the most injurious species i» the A.ppli 



Bouche, whost scales sometimes I on the bark 



as to kill young trees; orang - are injured b\ ' Pack.. 



Pig. 65), and the purple orangi scale, V. Plantain 



hot-houses are often injured by the " mealy bn 

 adonidum Linn .which also occurs in gardens 



ridutn, which especially aff cts the orai - 

 numerabiUt (Rathvon) injures the linden and - 



