45 



aies J) with multicorneal facets; antennae 6 jointed; tumlwings with 

 2 obliques. 



We have in Japan only the following one genus. 



I. Gen. Anoecia koch, 1857. 

 (Koch-Aphid, p. 275) 



Antennae moderately long, the 3rd and the following joints with 

 many subringed sensoria, anterrhinarial small, the 4th, 5th, and 6th 

 subequal; rostrum reaches to the abdominal base, at the apex hastate; 

 wings ample, nearly twice as long as the body, stigma short, fusiform, 

 stigmatic nervure gently curved and opens in the middle of the stigma, 

 media once forked, at the basal one third being obsolete, 2nd oblique 

 curving near the base approaches to the first oblique; cubitus of the 

 hind-wings straight, the first oblique somewhat sloping, 2nd oblique 

 very much sloping and widely .separated from each other at the bases; 

 cornicles very short, broad, situated on the lateral sides, being not 

 distinctly visible from above; cauda very small, anal plate short and 

 rounded: legs moderatly long, the hind pair being somewhat longer 

 than the anterior pairs. 



We have in Japan only the following one species. 



Genotype- Anoecia corni F. 



1. Anoecia corni F. (PL XI. f. 1, a, b, c.) 

 Aphis corni F. Ent. Syst. vol. VI, p. 214(1794). 

 Schizoneura corni Kalt. Manog. Aphid, p. 168 (1843). 

 S. vagans Koch, Aphid, p. 268, f. 343(1857). 



Anoecia corni Koch, Aphid, p. 278. f. 348, 349(1857). 

 Schizoneura venusta Pass. Gli Afid. p. — (1860). 

 S. cerealium Szaniszlo. Termes. Fiiz. IV, p. 192-96(1881). 



