'J556 PROCEEDINGS OF THE THIRD ENTOMOLOGICAL MEETING 



tirst to third abdominal segments are very short and form a roundish 

 patch. There are a few blackish hairs on the dorsum of the anal 

 segment which is conical and bears a few short brown spines. After 

 pupation the moth emerges in about five days in the spring, and it is 

 only active at night especially shortly after sunset, being attracted by 

 light. The whole Ufe-cycle occupies about 83 days from December to 

 March, but the number of generations annually is not known yet. 



Collection of the egg-masses or newly hatched larva or cocoons 

 is the only recommended control-method, up to the present time. We 

 reared two Tachinids from the pupae, one being larger and yellowish 

 and the other greyish. Both the flies are not identified yet, and they 

 -probably serve as a medium of natural control. 



No. 33.—Redoa cyanea, Mo. {Cha-Shiro-Dokuga.) 



This Lymantriad is a rather common pest of the tea-bush through- 

 out the tea districts, but I have never seen the caterpillars in a serious 

 number on tea-plants. 



The white-haired blackish caterpillar lives on the leaf, and eats 

 along the margin, leaving the veins, especially the mid-rib. It has 

 six fine interrupted white stripes through the whole length and two 

 narrow reddish-yellow transverse bands on each dorsal somite which do 

 not appear on the first thoracic somite and on the following two are 

 rather inconspicuous, and which become one yellowish-white band on 

 the anal somite : the yellowish tubercles on each somite are twelve, 

 arranged in two ill-defined transverse rows and bearing rather long 

 white hairs which become shorter and sparser on the four dorsal ones ; 

 the head is black, with yellowish mouthparts ; the legs, prolegs, and 

 anal legs are smoky brown, but at the innerside yellowish ; the venter 

 is dark smoky brown throughout. 



^Vhen full-grown this handsome caterpillar twists one or more leaves, 

 and comes under the shelter, and pupates there without any cocoon. 

 The pupa is yellowish-white, and is very sparsely covered with fine 

 whitish hairs all over the surface ; the anal process is reddish-brown, 

 bearing a few short hooks. It is about 12 mm. long. 



After pupation the moth emerges in from six to thirteen days, and 

 the female deposits her eggs (about 30 to 60) on the leaf in an irregular 

 mass in a single layer. The eggs are apparently larger than in the 

 other Lymantriadae described already, and the free siuface is shghtly 

 depressed in the middle. The tiny caterpillars emerge in about seven 

 days after deposition. Soon after, they disperse here and there, and 

 begin to eat the leaf. 



