AFRICAN APHIDIDAE — PART II. 



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dull olivaceous green or obscure orange mottled with dull olivaceous green ; area 

 between and surrounding base of cornicles crimson ; apex of abdomen pale olive- 

 green, in all cases with a dusky band near the apical margin of the last segment. 

 Cornicles, Cauda and anal plate black. Under side green ; venter of abdomen some- 

 times obscure orange. Legs black ; in some specimens inclined to be oUvaceous ; 

 coxae smoky black. Proboscis greenish, with dark apex and base. Antennae much 

 shorter than the body ; first segment much broader and slightly longer than the 

 second ; third short, but about as long as the small fourth and fifth together ; the 

 latter with a marked sub-apical sensorium ; the sixth as long as the third, fourth and 

 fifth, basal area small, about two-thirds the length of the fifth, with a large sensorium ; 

 the third with many long hairs ; the fourth and fifth with two or three long hairs, 

 and one long one on each side of basal area of sixth ; whole of the sixth imbricated. 

 Proboscis broad, reaching past the second pair of coxae. Body hairs few, scattered 

 and simple. Cornicles a little longer than third antennal segment, rather broad, 

 constricted at the apex, mouth flared, markedly imbricated. Legs rather short and 

 thick, femora and tibiae with many rather long hairs. Length, 2-2 '5 mm. 



Fig. 13. Siphocoryne splendens, &'p. n., abi^terovLB '^; A, head and antenna ; 

 B, cornicle; C, Cauda; D, mid-leg; E, apex of proboscis. 



Alate viviparous female. — Description from field-note by F. C. Willcocks. " Head 

 black, shiny. Eyes very deep blackish-brown. Antennae black. Prothorax dark 

 oUvaceous-green with shiny black collar. Thoracic lobes shiny black. Abdomen 

 obscure ohvaceous green, shiny. Cornicles bro'^AOiish to dusky. Cauda of same 

 colour as abdomen. Wings with yellowish green insertions ; stigma pale smoky ; 

 cubital vein greenish ; costa and oblique veins dusky. Legs with black femora ; 

 tibiae ochraceous with black points ; tarsi black. 



" Larva. — Young. Orange, but of a darker or redder hue between the cornicles. 

 Two shghtly dusky areas on head, with pale orange lines between ; eyes black. Legs 

 and antennae smoky. Cornicles dusky. 



" Mature. — Head inclined to ohvaceous, green at sides. Thorax and abdomen green, 

 reddish between and around base of cornicles. Antennae and legs dark smoky. 

 Cornicles dark. Some larvae have a general dull reddish hue. 



" Nymph. — Head obscure orange to dusky tinged with orange ; eyes black ; 

 antennae dull black. Thorax obscure orange, tinged with green or dull orange. 

 Base of wing-buds pale greyish-green, apices smoky. Abdomen dull orange, reddish 

 between and around base of cornicles. Cornicles black. Cauda black. Legs dull 

 black ; first femora inclined to dall brownish." 

 (C177) a 



