SIPHONOPHORA GRANARIA. 
115 
Aphis cerealis^ Kalt. 
Bromap)his^ Amyott. 
Siphonophora cerealis, Kocli, Pass. 
Viviparous apterous female. 
Inches. 
Size of body 0*100 X 0*045 
Length of antennse 0*110 
5 , 55 cornicles 0*025 
Millimetres. 
2*52X1*13. 
2*79. 
0*72. 
Snbovate, wholly green or brownish-green. An- 
tennse brownish. In the adult insect they are as long 
at least as the body. Frontal tubercles moderately 
large. Dorsum domed, with marked lateral corruga- 
tions. Stomatic pores dark. Kectaries or cornicles 
shining brown, long, thickened at their bases. Cauda 
large, yellow, recurved. Legs stout, femora ochreous, 
tibia points and tarsi black. Eyes red. Postrum 
short j reaching only to the second coxse. First joint 
greenish, other joints reddish-brown. 
Pupa. 
Inches. 
Size of body 0*090x0*050 
Length of antennse 0*080 
,, ,, cornicles 0*020 
Millimetres. 
2*27 X 1-27. 
2 * 02 . 
9*50. 
Subglobose. Usually of a brighter green than 
the larva. Colour more golden in the autumn. Wing- 
cases pale brown. Antennse, cornicles, and legs much 
as in the larva. 
Winged viviparous female. 
Inches. Millimetres. 
Expanse of wings 0*260 6*60. 
Size of body 0*0*80x0*035 2*02x0*88c 
Length of antennse 0*090 2*27. 
,, „ cornicles 0*020 0*50. 
Head slightly pointed at the vertex, which is sur- 
mounted by one of the three ocelli. General colour 
