79 



Agrotis segetum. (See Insects injurious to Turnip, No. 5.) 

 Hadena oleracea. (See Insects injurious to Mangold, Nos. 

 16-21.) 



C. Potato. 



41-44. Beetles whose larvae, known as "wire-worms/' feed 

 upon roots. 



41. Agriotes lineatus : perfect insect ; the larvae of this 

 form feed on the potato. (See Insects injurious to Grass, 

 Nos. 1, 2.) 



42. Agriotes obscurus : perfect insects ; the larvae of 

 this form feed on the potato. (See Insects injurious to 

 Grass, Nos. 3-5.) 



43. 44. Melanotus ru/ipes : perfect insects and larvae ; 

 the larvae of this form feed on the potato. (See Insects 

 injurious to Grass, No. 9.) 



45, 46. Melolontha vulgaris : perfect insects, male and female. 

 (See Insects injurious to Grass, Nos. 13-15.) 



47-52. Acherontia atropos (death's head hawk moth) : perfect 

 insect and drawing of same ; larvae and drawings of its pale and 

 dark varieties ; pupa. 



53-60. Plant bugs which suck vegetable juices. 



53, 54. Derceocerus bipunctatus: perfect insect and 

 enlarged drawing. 



55, 56. Lygus pabulinus: perfect insect and enlarged 

 drawing. 



57, 58. Lygus contaminatus : enlarged drawing. 

 59, 60. Lygus umbellatorum : perfect insect and enlarged 

 drawing. 



E. 137. 1886. 



Insects injurious to Cabbage. 



1. Ceutorhynchus sulcicollis (cabbage gall weevil) : perfect 

 insects and cocoons ; enlarged drawings of perfect insect, larva 

 and pupa in cocoon ; young cabbage and stems of larger plants 

 with root galls. 



2. Pieris brassicm (large white cabbage butterfly) : perfect 

 insects, male and female, larvae and pupa, with enlarged drawing 

 of last and of eggs. 



Microgaster glomeratus (Ichneumon fly) : parasitic insect, the 

 larvae of which feed on the entrails of the larva of Pieris brassicoe. 

 Enlarged drawing of insect, perfect insects, cocoons, and infested 

 larva. 



3. Pieris rapce (small white cabbage butterfly): perfect 

 insects, male and female ; larvae and pupae, with enlarged drawing 

 of last ; model of cauliflower infested by larvae. 



F 2 



