578 Agricultural Experiment Station, Ithaov, N. Y. 



A coinpaiison of the figures of the caterpillars of this species at 

 a and h, plate 2, with those of the other two species represented 

 om plates 1 and 3, will at once show that it is quite different 

 from either of the others. It is of a light apple-green color, some- 

 times with a slight bluish cast; the head is sometimes a little 

 lighter, and the venter is but slightly darker. The whole body 

 is very finely mottled with minute cream-colored spots, and the 

 hair-bearing spots are small and not very distinct. There is a 

 narrow cream-colored mesal stripe on the dorsum, wider near the 

 middle of the body; the narrow light lemon-yellow stigmatal 

 stripe, widest toward the extremities, runs just above the spira- 

 cles, except in the case of the spiracle nearest each extremity, 

 where it runs below; there is also a very narrow, much broken, 

 sometimes quite indistinct, cream-colored stripe midway between 

 the mesal and stigmatal stripes. On some specimens the yellow 

 stigmatal stripe was bordered above with a blackish shade, 

 as shown on the parasitized caterpillar at a, plate 4. A com- 

 parison of this description of the caterpillar with that of Mr. 

 Edwards, referred to above, will show that they cannot apply to 

 the same insect; for the lemon-yellow stripe is narrow and above 

 the spiracles, and not broad and below, as in Mr. Edwards' de- 

 scription. 



The pupa of this species is not formed within a cocoon, and also 

 differs from that of X. antennata very strikingly in the structure 

 of the caudal segment, as is well shown by a comparison of the en- 

 larged figures of this part at d, plate 1, and e, plate 2. Otherwise 

 the pupae are quite similar, as thfe enlarged figures at c, plate 1, 

 and d, plate 2, show. 



Although the moths of X. antennata and X. laticinerea are dis- 

 tinguished from each other with considerable difficulty, the above 

 descriptioins and the accompanying figures show that the cater- 

 pillars and pupa3 of the two species are quite distinct and, can 

 b^ easily separated. Thus both insects are distinct and valid 



species. 



3. Xylina grotei Riley. 



Only a small percentage of the green fruit worms sent us proved 

 to be of this species. 



