CRYPTOSIPHUM ARTEMISIJl. 145 



Crtptosiphum ARTEMISIA, BucMou. Plate LXXXIV. 



Apterous viviparous female. 



Inch. Millimetres. 



Size of body 0-065x0-040 l-64xl-01 



Length of antennae 0*020 0*50 



„ cornicles J none or invisible. 



Oval, brown or grey-black, very mealy. Head small, 

 vertex hairy. Eyes reddish. Body much domed and 

 carinated. Coarsely ringed. Apical portion hirsute. 

 Antennje short ; seventh joint perhaps as long as the 

 sixth. Legs very short, and' almost concealed when 

 the insect is at rest. 



Fupa. 



Smooth and shining, but a little mealy. Thorax and 

 wing-cases rather ochreous, sometimes tipped with 

 olive-green. 



Winged viviparous female. 



Inch. Millimetres. 



Expanse of wings 0*160 4'06 



Size of body 0*052 X 0*022 1*32 X 0*55 



Length of antennae 0*032 0*81 

 ,, cornicles, none or invisible. 



Small. Whole body sooty-grey, with a sparse and 

 mealy coat. Head convex. Antennae remote at their 

 bases. Third joint obscurely ringed ; seventh joint 

 rather longer than the sixth. Rostrum reaches to the 

 second coxa. Cornicles none. Cauda small. Legs 

 short and robust. Wings short, rounded at their tips ; 

 fuscous-grey, finely punctured and non-iridescent ; 

 membrane rather wrinkled ; insertions ochreous, stigma 

 greyish, veins blackish. 



This species infests the mugwort, Artemisia vulgaris, 

 the leaves of which it punctures, blisters, and distorts 



VOL. II. 10 



