ApliiilMae or Formosa. — 3. 47 



I)(i(ly aliiiost as in Annr(qilus helichnjsi (Kalt.) in general appearance, but 

 mneh smaller, without hairs. Plead rather small, witliout liairs. 



I'^rontal tuli'rcles very sliort to virtually lacking, but tlie iuner side iuu<'Ii 

 Inng'r thiiu tlie outi'r, aud vvvy slightly convex. Antennae short, very slender, 

 more .slender than the tibia, imbricated, 5 or 6-joiutcd, almost witliout iiairs; the 

 1st joint much larger tlian the 2nd; the 3rd without sens.jria; sensorium rather 

 small; the relative length of joints as follows: III-40, IV-20, V-25, VI-48 

 (15 + 33). Eyes n t largf, witli ocular tubercles. Rostrum reaching beyond tlie 

 middle coxae. Body wi;]iout dors;il and lateral tubercles. Cornicles subcylindrical, 

 rather stoui, s'.ighJy curved, sliglitly expanded toward the liase, sometimes very 

 slightly dilated on the distal iialf, very slightly or scarcely imbricated, not reticu- 

 lated, almost 1.8 times as long as the cauda, more than thrice as long as wide at the 

 liase, a little longer than tlie 3rd and 4th antennal joints taken togeth-r. Cauda 

 large and very stout, stouter than the cornicle, broadest at tiie luse, gradually taper- 

 ing, with the apex rounded, almost 1.5 times as long as wide, almost as long as the 

 3rd antennal j( int, almost twice as long as the hind tarsi, j^rovided with 3 pairs of 

 long lateral bri^tles. Tjcgs ])rovided with some moderately, long setae; femora as 

 stout as tiie eornicl ; tarsi imbricated; hind tarsi almost as long as tlie 4tli antennal 

 joint. 



Length of body-about 1.3 mm. Antenna about 0.5 mm. 



Brownish individuals were found in February, 1923. 

 AVinged viviparous female. 



Head, eyes, antennae aud mesothorax black. Prothorax yellowish brown, 

 dusky on the notum. Abdomen yellowisli brown, dusky on the dorsnm. Legs 

 pale brown, apical halves of femora, apices of tibiae, and tarsi blackish. Cornicles 

 dusl.y. Cauda dark lirownisli. A\'ings hyaline, stigma aud veins almost grayish 

 brown. 



Eody oblong. Head provided with a few minute hairs. Frontal tubercles 

 almost lacking. Eyes very large. Antennae slender, imbricated, 6-jointed, provided 

 with a few minute hairs; the 1st joint much larger than the 2nd, the 3rd provided 

 over the whole length with 12-18 large, circular or subcircular sensoria not arranged 

 in a single row; the 4th with about 4-7 similar sensoria in a row; the 5th with the 

 apical sensorium rather large; the relative length of joints as follows: III-75, IV- 

 50, Y-40, VI-82 (22 + 60). Ro.strum almost reaching the middle coxae. Abdomen 

 provided with a few hairs. Cornicles much smaller than those of the wingless 



