Y2 K- Takahashi : 



Host. — Alntis formosana. 

 Distribution. — Formosa (Taihoku). 



Myzocallis qvsrciformosanus n. sp. 

 Winged viviparous female. 



Yellow. Eyes yellow. Antennae yellow, with the apices of 

 joints blackish. Cornicles, cauda, and tubercles on the dorsum yellow. 

 Wings hyaline; stigma and veins pale yellow. Legs pale yellow, 

 apices of tibiae slightly dusk^^ Body narrow. Head with 3 pairs of 

 very long capitate hairs, arising from short tuliercles, between the 

 antennae. Antennae long and slender, somewliat imiiricated; the 1st 

 joint much larger than the 2nd, distinctly convex on the inner side, 

 with a moderately long stout capitate liair; the 3rd joint provided with 

 about o circular sensoria in a row (Ui the basal half and 4--"i short 

 capitate hairs: the 4th joint lacking sensoria, witlmut hairs: the 

 relative length of joints as follows: III-54, IV-4(), V-31, VI-50 

 (l.-^ + 3.'3). 



Rostrum stout, reaching almost tlie middle coxae. Pronotum with 

 a pair of capitate hairs, which are shorter tlian those on the head, at 

 the middle near the front margin, and a pair of finger-like tubercles, 

 which are .shorter than those on the abdomen, at tlie middle near the 

 hind margin. Mesonotum witli 7 pairs of veiy long capitate hairs 

 whicii are as long as those on the head or the l)asal twc> antennal 

 joints taken together. 



Wings narrow; stigma stout; stigmatic vein somewhat obsolete; 

 upper branch of the 3rd oblique reaching the wing apex: liind wings 

 with 2 almost jmrallel obliques; booklets 5. 



Al)domen without capitate hairs, but with many moderately long 

 hairs on the dorsum and the underside; the 3 basal segments with a 

 pair of large, linger-like tubercles at the middle of the dorsum, of 

 which the front 2 i)airs oqual in si/e, and somewhat shorter than the 

 hind one; 4 small lateral blunt tubercles present in fi'ont of the 



