14 BRITISH APHIDES. 



lueli. Millimeters. 



Length of auteniia3 0*070 1*77. 



cornicles 0-013 0-32. 



Stout. Bright yellow. Head broad ; frontal tuber- 

 cles projecting forwards ; one ocellus placed on the 

 pointed vertex, the other two ocelli near the antennal 

 insertions, as is usual. Head and antennae brownish ; 

 the two first antennal joints yellow. Three thoracic 

 lobes brown. Scutellum greenish. Abdomen oval, 

 shining, domed, with several transverse, pale brown 

 streaks, and several more or less confluent dashes 

 between the cornicles. Cornicles dilated in the middle, 

 and much curved. Cauda yellow, and about one 

 third the length of the cornicle. Legs yellow. AVings 

 moderately long, rounded at their tips ; insertions 

 and cubitus yellow. Other veins stout, rich brown. 

 Stigma grey. Rostrum does not reach to the second 

 coxa. Under side green, with the pectus brown. 



Taken during September at Norwich, feeding, but 

 not numerously, on the common privet, Ligustrum vul- 

 gare. The winged form does not occur so plentifully 

 as the apterous. 



Rhopalosiphum berbeeidis, Kalt. Plate XLII, figs. 



1—3. 



Aphis berberidis, Kalt., Walk 

 Liosomafliis berberidis^ Walk. 

 Bhojjalosiphum berberidis, Koch, Pass. 



Apterous viviparous female. 



Inch. Millimeters. 



Size of body 0-080x0-042 2'02xl-05. 



Length of antennse 0*050 1'27. 



„ cornicles 0-025 0-62. 



Globular, but rather flat. Wholly greenish-yellow. 

 Head broad, and slightly ochreous. Segments of the 



