SIPHONOPHOEA CONVOLVULI. 
149 
Winged viviparous female. 
Inches. Millimetres. 
Expanse of wings 0’260 6*60. 
Size of body 0*080 X 0*030 2*02 X 0*76. 
. Length of antennse 0*080 2*02. 
55 cornicles 0*015 0*38. 
G-reen. Head, band on the prothorax, and meso- 
thorax, shining black. Frontal tubercles somewhat 
gibbous. Third joint of antennas serrated. Abdomen 
ovate, bright green, with a broad black patch on the 
dorsum, and four cross stripes. Three large lateral 
spots. Cornicles curved, and slightly thickened in the 
middle ; green, and tipped with black. Legs ochreous, 
rather short ; femoral and tibial tips black. Tail small 
and green ; rostrum reaches nearly to the second 
coxse. Wings with pale yellow insertions, and yellow 
cubitus. Stigma grey. Veins ginger-yellow. 
Feeds on Convolvulus major and 0. minor, Nemo- 
phila, and Vinca m^ajor. Taken abundantly in June 
at Chichester and at Haslemere. 
The antennge of the winged insect are proportionally 
shorter than those of the apterous female. This is an 
inversion of the usual measurement. 
SiPHONOPHOEA AVBLLANiE, Schr. Plate XXII. 
Aphis avellanoe, Schr., Walk. 
„ coryli, Sir 0. Mosley. 
Siphonophora avellance, Koch., Pass. 
Apterous viviparous female. 
Indies. Millimetres. 
Size of body 0*070x0*040 1*77x1*01, 
Length of antennge 0*100 2*54. 
,, cornicles 0*025 0*62. 
Very pale green, shading into reddish-green towards 
the head. Head very broad. Frontal tubercles large. 
