no 



FEED. V. THEOBALD. 



well bevond them, with three pairs of lateral hairs., the apical pair short ; shghtlv 

 spinose. Anal plate dusky, spinose ; beneath it the abdomen is black. Legs rather 

 long and thin, femora pale at the base, dark apically ; tibiae pale, except at the apex, 

 with numerous short spine-hke hairs ; tarsi dark. Wings with yellowish brown 

 stigma and veins, the latter darker than the stigma, the membrane shghtly tinged 

 with yellowish brown. Length, 2-2*3 mm. 



Fig. 5. JlacrosipJium rosaeollae, sp. n., apterous $; 

 A, head and antenna ; B, cornicle ; C, cauda. 



Apterous viviparous female. — Green ; apices of the third to fifth antennal segments 

 and all the sixth brown ; apices of the tibiae and the tarsi brown ; tips of the 

 cornicles dusky. Eyes reddish. Antennae as long as the body, the basal segment 

 larger than the second, arising from prominent frontal tubercles ; the third segment 

 as long as or sUghtly longer than the sixth and much longer than the fourth, with a 

 row of 15 to 18 sensoria in a hne along its whole length, shghtly darkened in this 

 region and at the apex ; fourth segment a httle longer than the fifth, both darkened 





■ / n^' 



-SLi 



Fig. 6. Jlyzus rosarum, Kalt., apterous $; A, head and antenna; 



B a, Cauda ; B h, cornicles. 



Myzus rosarum, Buckt., apterous $; C, head and antenna ; 



D, Cauda and cornicles; E, body hairs. 



at the apex ; sixth a httle shorter than the fourth and fifth, its basal area about one- 

 fifth the length of the flagellum ; aU the segments imbricated. Proboscis pale, 

 darkened just at the apex, nearly or quite reaching the base of the second pair of legs. 

 Cornicles green, dusky at the apex, long, thin, cyhndrical, slightly expanded at the base 

 and in a few specimens somewhat irregular in form, imbricated, with two striae at 



