SIPHONOPHOEA TANACETICOLA. 
159 
specific name I have chosen implies very little, and in 
no ways indicates the only food selected. by the Aphis. 
32) c SiPHONOPHORA TANACETICOLA, Kalt, Plate XXVII, 
figs. 1, 2. 
Aphis tanaceticola, Kalt. 
Siphonophora tanaceticola, Pass. 
Apterous viviparous female, 
Indies. Millimetres. 
Size of body 0*075x0*040 1*89x1*01. 
Length of antennm 0*110 2*79. 
,, cornicles 0*020 0*50. 
Long oval, attenuated towards the thorax and head. 
Bright garnet-red, shining. Head broad, vertex 
tufted. Eyes brown. The older specimens much 
carinated and ringed. Covered with small black 
tubercles and hairs. Cornicles black and slightly 
curved. Cauda small and yellow. Legs reddish- 
yellow. Tarsi black. Antennae long, yellow, and, 
like the legs, hairy. 
Pupa. 
Coloured much like the larva. Head brown and 
very broad. Wing-cases yellow like the legs. 
Feeding on the tansy, Tanacetum vulgare. Taken in 
May at Abingdon by Mr. Frederick Walker, who 
kindly furnished me also with the larv^. In confine- 
ment they developed into pup^, but I failed to obtain 
the imago. This does not appear to be a common 
species. 
Siphonophora thssilaginis, Walk, Plate XXYII, fig. 3. 
Aphis lactucce, Fabr. 
,, tussilaginis, Walk. 
Siphonophora lactucce, Koch. 
tussilaginis, Koch., Pass. 
55 
