A PHI DID Ji OF FORMOSA. 59 



occurriug in abuiidauce cm tbo iip^^er surlace of the leaves ami tlie sfcilks. 

 Tlie winged forms tiro qiiitj rare, having never been observed. 



Aphis sambuci L. 



Linuc, Syst. Nat. I, II, p. 734 (17(37) ; Kalteubacli, Mono. Pflauzl. p. 83 

 (1843); Kocb, Die Tflauzl. p. 83, figs. 111—112 (1877); Buckton, 

 Mouog. Br. Aphid, ii, p. 99, pi. LXX, figs. 1—4 (1877) ; Kcssler, Nova 

 Acta der Ksl. Leop. — Carol. Deutsclieu Akd. Nat. XLYII, 3, p. 135 

 (1884); Mordvilko, Biol. Ceutralbl. p. 811 (1907); Matsunuira, Jl. Coll. 

 Agi'. Sapporo, Japan, vii, C, p. 358 (1917) ; Takahashi, Trans. Sapporo 

 Nat. Hist. Soe. vii, 2. p. 199 (1919) and Zool. Mag. Tokyo, xxxii, No. 

 380, p. 197 (1920). 

 syn. yfj;///.s S'Dnlvcifolke, Fitch, Cat. Homop. N. Y., p. GG (1855) ; Thomas, 

 llliuois, St. Lab. Nat. Hist. Bull. 2, p. 13 (1878) ; Sanborn, Kansas 

 Univ. Sc. Bull. .'!, p. 52 (1904) ; Swain, Univ. Calif. Bub. Bull, iii, i, 

 p. 123 (1919). 



A\lngles3 \i\iparou3 female. 

 Blackish green. Eyes, cornicles and Cauda black. Antenna' black, 

 slightly paler at the base of the 3rd joint. Legs black, paler at the bases 

 of femora. Heal provided with some moderately or rather long fine hairs. 

 Frontal tulercles absent. Antenna) stout, imbricated, with some long fine hairs ; 

 the 3rd joint without seusoria ; the relative length of joints almost as follows : 

 HI— 54, lY— 35, V— 32, VI - 57 (17 + 40). Rostrum reaching the middle 

 coxa>. Prothoras with a large, stout blunt tubercle on each side, abdomen with 

 5 rather large blunt liiterid tubercles which are smaller than those on the thorax. 

 Abdominal segments provided \\ith some short hairs ou the dorsum. Cornicles 

 cylindrical, very long and slender, imbricated, almost twice as long as the 

 antennal spur-, reaching the apex of the cauda, somewhat dilated towards the 

 Ijase, sUghtly curveil, thrice as long as the cauJa. Cauda stout, with many 

 long hairs. Gonapophyses 4. Legs stout, provided with many long fine hairs. 

 Length of body — 2.8 mm. Antenna — 1.5 mm. 

 Cornicle — 0.6 mm. 



