ArniDID.E OF FORMOSA, 43 



Cryptosiphum artemisiae Buckt. 



(PL Y, E, fig. 3) 



Buckton, Mouog. Br. ApLid. II, p. lU, pk LXXXIV (1877); Ilavikuid, 

 Eiitoui. Mth. M:ig. LIV, tJ52, p. 202 1^1918;. 

 Host — Aiicinisiii vvJg'ri.s \ar. htclivo. 

 Distiibutiun. — Fonuosa : T.iibokn. 



Europe. 

 Hitherto unvecorLled from Formosa. 



Brachysiphoniella gramini (TiikaL). 

 (Pk YII, B, figs. 1—6) 



ApLkkdre of FormoKi — ], p. (i2, pk xiv, 1, figs. 5— G (1921). 

 Winged viviparous female. 



Colour almost as iu tlie wingless fi>rm. Body, autenute, eyes, coruides, and 

 caucLi blackish. Wiugs hy;iliue. Baly oljloug, without long hairs. Froutal 

 tubercles very shoii. Eyes large. Auteiiuai rather sttnit, imbricated, without 

 Lairs ; 3rd joint provided with al>out 15 — 22 rather large, protruding circiikir 

 sensoria scattered over the whole length ; the 4th pr.jxided \\ith about K,) 

 similar sensoria ; the oth with a rather small sensjrium near the distal end ; 

 the relative length of joints alwut as follows : III— 21, lY— 18, Y— 18, YI— 3G 

 (11+25). Kosti'um stout, not reaching the middle coxa?. Wings with the 

 3rd oblique twice forked and extending to the apex of the wing; hind wings 

 with 2 somewhat divergent oljliques ; booklets 2 or 3. Abdominal segments 

 provided with some very short hairs aiTaiiged transver.sely on the dorsum. 

 Cornicles very short, scarcely imbricated, wider than long, broadened toward 

 the base. Cauda verj' long, much longer than the cornicle, a little shoiier 

 than the 4th antenna! joint, provided with son.e pairs of lateral bristles. 



Length of bodv" — about 1.4 mm. Antenna — about 1.0 luni. 



Fore wing — about 2.3 mm. 



Host. — Leersia he.vnndra. 



