Evkrard E. Blancüard : Aphid notes 



2o3 



Morphological characters : Elongated pyriform. Dorsum provided 

 with transverse rows of rather stout hairs, from 8-10 per row, 

 that arise f.iom small darkened tubercles which usually lie in small 

 irregular fuscous spots. Venter covered with piliferous tubercles 

 which however are smaller, more numerous, and do not lie in fus- 

 cous spots. Antennae with imbrications plain on tip oí' II, IV, V, 

 \ I and íilament, remaining segmenls smooth. III provided with 

 hairs that are sub-equal in length to its máximum breadth and with. 

 about 20 large subcircular sensoria of irregular size, scattered over 



Fig. 9. — Macrosiphoniella chrysanthemi, Del Guercio. Aple- 

 rous virgogene : a, antenna ; b, segment III of antenna ; c, 

 cornicle; d, tip of cornicle ; e, cauda. Álate virgogene : f, 

 cauda; g, antenna; h, segment III of antenna; i, cornicle; 

 j, tip of cornicle. 



its entire length. Front of head and base of rostrum provided with 

 longish hairs, the later reaching the 3rd coxae with its apex. Cor- 

 nicles stout, sub-conical with cióse polygonal recticulations on dis- 

 tal 2/3 ; tip slightly flanged. Cauda bluntly accuminate with 

 about five pairs of lateral and from four to six pairs of dorsal bris- 

 tles. 



Relative measurements : 



Length i .80 



Widlh 0-9° 



f. t. 1 



Antennae 0.08 0.i3 



Cauda. o.35 



Cornicles °- 2 9 



0.09 0.56 0.33 0.39 o. 11 



f. 

 o.55 



