182 
BRITISH APHIHI^S. 
not develope sucli long antennao, as those which emerge 
later in June. 
SiPHONOPHORA niRHODA, Wolh. Plate XIII (bis). 
Apterous viviparous female. 
IncliGS 
Size of body 0*110x005 
Length of antennae 0*045 
,, cornicles 0*020 
Millimetres. 
2*79x1-27. 
1*13. 
0*50. 
Oblongj yellowish green, finely punctured. Antennae 
short and rather of a darker green. The frontal tubercles 
are inconspicuous and so little developed in all the 
forms that in this respect, and in the somewhat short 
antennae 8. dirhoda approximates to the restricted 
genus Aphis. The vertex is tufted with fine hair. 
Abdomen rather shining and traversed by two irregular, 
somewhat waved lines, ranging down the thorax and 
the dorsum. These green stripes are not equally 
obvious in all specimens. 
Winded viviparous female. 
Indies. Millimdres. 
Expanse of wings 0,290 7*35. 
Size of the body 0*080x0*030 2*02x0*76. , 
Length of antennae 0*070 1*77. 
5 , cornicles 0*017 0*42. 
Green, or yellow green. Head rather olive, with 
brown stemmata. Thorax yellow, with brown thoracic 
lobes and scutellum. Abdomen with a cloudy green 
stripe. Nectaries and tail green. Legs and antennae 
pale brown. Wings long. Insertions yellowish brown. 
Stigma also brown. The rostrum reaches nearly to the 
second coxae. 
