598 Pomona College Journal of Entomology 



Myzus persicae (Sulzer) Passerini 

 GREEN PEACH APHIS 



1761 Aphis persicae Sulzer, Kenz. Insect P. 105. 



1843 Aphis dianthi Schrank, Fauna Boica, II. 



1843 Aphis persicae Kalt., Mon. Pflz., pp. 93-94. 



1847 Aphis persicophila Rondani, Ann. Sci. Nat. Bolog. .337-132. 



1857 Rhopalosiphum dianthi Schrank, Koch, Die Pflz., p. 42. 



1857 Aphis institutiae Koch, Die Pflz., pp. .'58-59. 



I860 Mystts persicae Pass., Gali Afidi. 



1867 Aphis persicaecola Boisduval, Mon. Ale}'. 



1876 Myzus persicae Sulz-Buckton, Mo. Brt. Aphid. I, 178. 



1879 Myzus achyrantea Monell, Bull. U. S. Geol. Survey, V. I, p. 18. 



1880 Rhopalosiphum dianthi Schr., Thos. 8th Rept. Ent. 111., p. 80. 

 1880 Myzus persicae Sulz., Thomas, 8th Rept. Ent. 111., p. 76. 



1886 Myzus malvae Oestlund, list. Aphid. Minn., p. 31. 



1908 Myzus persicae Sulz., Taylor, Jr. Ec. Ent, I, 83. 



1908 Myzus persicae Sulz-Gill. and Taylor, Bull. 133-134 Colo. Exp. Sta. 



1908 Myzus persicae Sulz-Gillette, Jr. Ec. Ent. I, 359 



1909 Myzus persicae (Sulz), Fullaway, Ann. Rept. Hawaii Agrcl. Exp. 

 Sta., 28-29. 



1910 Myzus achyrantes (Monell), Williams, Aphid. Nebr., p. 63. 

 1910 Ehopalosiphuni dianthi (Schrank), Williams, Aphid. Nebr., p. 69- 



SPRING MIGRANT 



WINGED VIVIPAROUS FEMALE (Figure IQ.'' A) 



Length of body 1.9 mm., width of mesothorax 0.5 mm.-, greatest width of 

 abdomen 0.82 mm., wing expansion 6.8 mm. 



Prevailing color — Green with dark dorsal markings. Head — Dark with 

 lighter line at base, nearly as long as broad, with prominent, approximate, frontal 

 tubercles. Antennae — (Figure 1.0,') G). Gibbous on the inner basal sides, longer 

 than body, dark except base of article III, sparsely hairy, lengths of articles: I, 

 0.1 mm.; II, 0.08 mm.; Ill, 0.58 mm.; IV, 0.43 mm.; V, 0.30 mm.; VI, 0.7 mm. 

 (spur 5.2 mm.) ; total 2.19 mm.; .at least twelve sensoria on article III. Rostrum 

 — Reaching to or nearly to second coxas, light with apical half dark. Prothorax — 

 Black or dark with light band at central base and lateral basal corners light. 

 Meso- and Metathorax — Shiny black. Abdomen — Green, brownish, or amber with 

 darker dorsal markings as shown in drawing, ventral surface dusky. Cornicles — 

 (Figure 184 E.) Cylindrical or slightly clavate, reaching beyond tip of abdomen, 

 dark, length 0.42 mm., width at base .05 mm., greatest width 0.065 mm.; in some 

 cases there is a light spot on the apical half which does not quite reach to the 

 ajiex. Legs — Normal, coxa- light green; femora of prothoracic legs with apical 

 half dusky, of the second and third pairs the apical two-thirds dusky; tibiae with 

 dark tips; tarsi dark. Wings — Normal, hyaline. Primary — Subcostal vein wide, 

 dusky; stigma long and narrow, dusky; veins amber brown (see drawing), length 



