AFRICAN APHIDIDAE — PART II. 



131 



Genus Neotoxoptera, nov. 



Head with pronounced frontal lobes. Antennae in alate female longer than the 

 body ; third segment with sensoria. Wings with the first obhque vein once forked, 

 as in Toxoptera ; hind wings with normal venation. Cornicles fairly long, clavate. 

 Cauda bluntly pointed, not as long as the cornicles. Eyes large. 



This genus differs from Toxojptera in the long antennae and from Rhopalosiphum 

 in the anterior wing venation. 



Neotoxoptera violae, sp. nov. (fig. 23). 



Alate viviparous female. — Black ; abdomen yellowish brown, black around the 

 margin. Head dark, broad ; eyes large and black. Antennae about twice as long 

 as the body, thin ; first segment large ; second small, both black ; remainder ^of ^ 

 antennae paler ; third segment longer than the fourth, with 20 to 25 sensoria spread 

 over its whole length ; fourth segment a httle longer than the fifth, the latter with 



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Fig. 23. Neotoxoptera violae, sp. n., alate ? 5 

 A, head • B, front wing ; C, hind wing ; Ci, hooked process on 

 liind wing ; D, cornicles ; E, Cauda. 



a single prominent sub-apical sensorium ; sixth as long as fourth and fiith, the basal 

 area half the length of the fiith ; one large and several small sensoria at the junction of 

 the basal area and flagellum ; all the segments imbricated and with a few fine hairs. 

 Proboscis rather narrow, pale, shghtly dusky at the apex, reaching past the second 

 pair of legs ; the apical segment twice as long as the penultimate, base somewhat 

 enlarged laterally. Legs long and thin ; pale, except the apices of the femora and 

 tibiae and all the tarsi, which are dusky black ; tibiae hairy, a few hairs on the femora ; 

 tarsi and femora showing signs of imbrication ; ungues dark. Wings ornamented 

 with dusky brown areas, veins brown. Cornicles dark, fairly long, shghtly clavate, 

 flared at the tips, showing corrugations on the basal area, but no marked ornamenta- 

 tion apically. Cauda dark, bluntly pointed, spinose, with three pairs of lateral hairs, 

 about half the length of the cornicles. Length, 1*5-2 mm. ; wing expanse, 7-8*5 mm. 

 Apterous female, — " Dark reddish-brown. The young forms have a greenish grey 

 head. Thorax and abdomen reddish, the last segment green."- — G. Bedford. 



