SIPHONOPHOEA JACE.^?. 
153 
2^^* SiPHONOPHOEA JACEAii, Linn. Plate XXIII, figs. 3, 4. 
Aphis jacece, Linn., Kalt. 
Siphonophora jacece^ Koch. 
.Apterous viviparous female. 
Indies. Millimetres. 
Size of body O’lOOx 0*050 2*54x1*27. 
Length of antennae 0*100 2*54. 
5 , cornicles 0.035 0*88. 
Head broad. Whole insect dark brown, with a 
greenish lustre. Thorax and prothorax distinctly 
separated from the head. Abdomen oval, pointed 
behind, furnished with seven or eight shining and 
tufted tubercles. Antennae black, not very long. 
Eyes brown. Cornicles large and black. Legs some- 
what short. All parts black except the half of the 
femora near the coxae. Tail dark brown. 
Winged viviparous female. 
Indies. Millimetres. 
Expanse of wings 0*340 8*63. 
Size of body 0*150 X 0*060 3*81 X 1*54. 
Length of antennae 0*170 4*31. 
,, cornicles 0*050 1*27. 
Very large. Shining brown, with a brassy metallic 
glance. Hirsute, but without tubercles. Head and 
thoracic region narrow. Eyes large and brown. 
Antennae very long. First joint thick. Thoracic 
lobes dark brown. Abdomen very large, oval, smooth, 
and shining. Clothed with fine hair. Cornicles long, 
straight, and thin. Usually carried at right angles to 
the body. Cauda thin, pointed, and black. Legs 
very long. Hind tibiae much curved. With the excep- 
tion of half the femora all the limbs are black. Wings 
very short for the size of the insect. The insertions, 
