Aphididap of Fovinosa.— I. 21 



mura, Jour. Coll. Agr. Sapporo, vii. pt. G, p. 301 (VJ17): Das, 

 Memoirs Ind. lAIus. vi, 4, p. 157. pi. xv, figs. 1-3 (1918); Swain, 

 Univ. Calif. Pub. tech. Bull. Coll. Agr. Agr. Expt. St. iii. 1. p. 66 

 (1919). 



Acj/rthosiphum pisL Mordwiiko, Faune Russie Ins. Heniipt, i. p. 

 83 (1914). 



Hosts. — Pisum spp. 



Distribution. — Formosa (Taihoku); Japan. 



Java (v. d. G.); India (Das); Africa (Theobald): Europe; 

 North America. 



Ifacrosiphum paederiue n. sp. (PL. II, '1, Figs. ]-">). 

 Wingless viviparous female. 

 Yellowish red. Head blackish brown. Eyes black. Antennae 

 pale lirown witli apices of the 3rd, 4th and the 5t]i joints, and the 6th, 

 black. Cornicles black. Cauda lirown. Legs pale brown; apices of 

 femora and tibiae, and tarsi black. Body oval, l)roadest between the 

 cornicles, with a few ver}- short capitate hairs on the dorsum and a 

 few short bristles on the underside. Head with many moderately 

 long capitate hairs. Frontal tubercles conspicuous, on the inner side ' 

 distincth' convex. Antennae very long; with a few very short 

 capitate hairs; the 3rd joint near tlie base with a small sensoria; the 

 5th slightly imbricated, the apical sensoria \erv small; the relative 

 length of joints as follows: III-73, IV-56, V-53. VI-111 (16 + 95). 

 Rostruni reaching beyond the middle coxae. Cornicles long and 

 slender, reaching the caudal apex, almost without imbrication; 

 narrowed near tlie apex, very slightly dilated at the middle and 

 expanded at the base. Cauda large, with a few lateral bristles. 

 Legs very long and slender, with numerous short hairs, most of which 

 are somewliat knobbed. 



Length of body — 2.3 mm. Antenna — 3.2 mm. 



Cornicle — 0.7 mm. 



