NOTES ON NEW AND LITTLE KNOWN BRITISH APHIDES. 



27 



blunt flagellum ; basal segment bears three spines ; the second one 

 near apex; third two, one near apex; fourth one near apex; fifth two 

 or three short, blunt ones on the apex ; last two segments markedly 

 imbricated. The proboscis appears to arise from a pit, between the 

 anterior coxte, sliort and blunt, reaching to about the second coxae, 

 somewhat curved ; the last two segments nearly equal, the apical if 

 anything slightly the longer. Thoracic segments very marked ; the 

 prothorax wider than the meso- or meta-thorax ; the mesothorax may 

 be slightly wider than the metathorax. First abdominal segment well 



Fig. 2. — Sipha paradoxa, nov. sp. 

 Apterous viviparous female. A. antenna ; B. adult, a. proboscis ; b. cornicles ; 

 c. lateral hairs : d. anal hairs ; C. proboscis (further enlarged). 



defined, the others less so or absent, except the last two. Skin 

 rugose, but not spiny as in S. schoutedeni. Long hairs on the head, 

 arising from well defined tubercles. On the apical segment 11-12 

 long, thick, spine-like hairs, arising from very prominent tubercles, 

 some longer than the segment; on the next segment or two the 

 spines are shorter but still very marked ; on the rest of the body 

 they are scanty and short and rather thick. Cornicles as simple 

 round pores. The tibiae, especially hind pair, long, with numerous fine, 

 longish hairs ; tarsi rather long, of two segments and slightly curved, 

 with a few hairs. The apical segment is rounded to semi-circular. 

 Length, 2 x -525 mm. 



