12 IIVOICUI TAKAHASUI: 



moderately long seta"", soiiio of wliicli uvc knoblied. 

 Lougtb of body — 2.6 mm. .Vntenuji — -2.6 mm. 

 Cornicle — 0.55 mm. 



Winged viviparous female. 



Dirty gi'een. Head reddisli brown. Eyes red. Auteunte black, with the 

 1 ase of the 3rd joint paler. Thorax d;irk gi'eeni-h brown. Coi'nicles black. 

 Cauda almost dirty yellowish brown. Wings hyaline; stigma pale greenish; 

 \eins gray. Legs pale j'ellowish brown, apical liah'es of femora, apices of 

 til)ia', and tarsi black. Body with some short, slightly linobbed Lairs. Hciid 

 M ith some similar longer hairs. Fi'ontal tubercles well developed, not convex 

 c m the inner side. Anteunai long and slender, with some short capitate hairs ; 

 tlie "rd j )int provided with about 20 circular sensoria mostly of medium size, 

 almost over the whole length not in one row ; the 4th sti-iated, lacking seu- 

 soiia; the relative length of joints as follows: III — 9G, IV — 78, V — 66, VI 

 — 142 ('ifJ + llC)). nostrum almiist reaching the middle coxa\ Wings normal ; 

 bind wings with 2 parallel obliques; booklets 4. Cornicles cylindrical, 

 moderately dilated at the base, imbricated, reticulated on the distal two-fifths, 

 a little longer than the caiida, jJmost as long as the 4th antennal joint. 

 Cauda ensiform, almost twice as long as the hind tiU'si, with 4 piirs of lateml 

 bristles. Legs very long and slender, with numerous seta^ ; tiirsi very long, 

 imbricated. 



Length of body — 2.4 mm. Antenna — 2.7 mm. 



Fore wing — 3.2 mm. Cornicle — 0.5 ram. 



Host. — Liiciuca dehilis. 



Distributi(jn. — Forniiisix : Tailioku. 



Macrosiphiim ambrosiae (lliomas) 



Si'jiJionojjhom ambiosia, Thomas, Illinois Lab. Nat. Hist., Bull 2, p. 4 

 a878); H.uda, Biol. Bull. XL, G, p. .35G (1921). 



Wingless viviparous female. 



Shining black. Antennae, eyes and cornicles black. Cauda brownish 

 black. Ivcgs : femora black, with the bases brown; tibia:; In-own, with the 



