Mr. F. Walker’s Descriptions of Aphides. 19 
Arctium Lappa. Chenopodium album. 
Solanum. . Senecio vulgaris. 
Scabiosa. Arctium minus. 
Valeriana officinalis. 
Inula dysenterica. 
Hypericum perforatum, 
Carduus lanceolatus. 
Eryngium campestre. hirsutum. 
Fumaria officinalis. quadrangulare. 
Cochlearia Armoracia. Scorzonera. 
Datura Stramonium. 
Capsella bursa-pastoris. 
Cichorium Endivia. 
Lycopersicum esculentum. 
Brassica Rapa. 
Erodium cicutarium. 
Lotus corniculatus. 
Faba vulgaris. 
Pisum sativum. 
Phaseolus vulgaris. 
coccineus. 
Ononis. 
Spinacia oleracea. 
Vicia. 
Mentha hirsuta. 
Cracca. 
Lamium purpureum. 
Digitalis purpurea. 
Cnicus arvensis. 
palustris. 
Anthriscus. 
AEgopodium. 
/Ethusa. 
Galium Aparine. 
verum. 
Mollugo. 
Achillza Ptarmica. 
Nerium Oleander. 
Atriplex hastata. 
Lactuca. 
Matricaria Chamomilla. 
Chrysanthemum segetum. 
leucanthemum. 
Helichrysum chrysanthemum. 
Beta vulgaris. 
Cytisus Laburnum. 
Genista tinctoria. 
anglica. 
Ulex europzeus. 
Asparagus officinalis. 
Sium latifolium. 
Dahlia superflua. 
frustrania. 
Polygonum Persicaria. 
Myosotis scorpioides. 
Solidago virgaurea. 
Pastinaca sativa. 
Daucus Carota. 
Anagallis arvensis. 
Angelica sylvestris. 
Verbena. 
Persicaria. 
Urtica urens. 
Viburnum Opulus, &c. &e. 
The winged race migrate to the bean in May, and then bring 
forth their offspring, which at the end of June leave the withered 
flowers, and fix themselves along the sutures of the pods where 
their mouths can find an entrance. 
- The viviparous wingless female. When young it is linear, and 
dark red: the limbs are paler: when full-grown it is oval, con- 
vex, plump, and dull black, and has a row of punctures on each 
side : the feelers are white with black tips, and much shorter than 
the body; the fourth joint is much shorter than the third ; the 
fifth is hardly shorter than the fourth ; the sixth is about half the 
length of the fifth ; the seventh is full as long as the third; the 
mouth is white with a black tip: the nectaries are as long as one- 
eighth of the body : the legs are white ; the hind-thighs excepting 
the base, the knees, the feet, and the tips of the shanks, are 
black. 
Ist var. The body is dark green. 
2nd var. The body is purplish black. 
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