998 EXPERIMENT STATION RECORD. 



application of tbo results, lie further states that weak solutions will 

 serve for small worms. The results of the experiments are shown in 

 detail in 3 tables. 



The subject of worms found on drying tobacco is then briefl}- dis. 

 cussed, after which the author considers the subject of the two tobacco 

 worms, rhlej/ethontins Carolina aud F. cekns, and their distribution. P. 

 celeus, it is claimed, is a northern worm, although the moth, being a 

 strong tlyer, is often found far from its proper territory; which fact 

 accounts for its being listed by systematists, along with the southern 

 form, as distributed throughout the United States. 



Relative to the variations found in tlie color of tobacco worms, he 

 thinks differences in the quality of food an insuthcient explanation, 

 and advances the supposition that they are due largely to tempera- 

 ture. In support of this he instances the fact observed by himself 

 that the flowers of the broom rape are pale in the hot July and August 

 period of the year, and of a decided blue color during early spring aud 

 in September. 



As to parasites he states that Apanteles congreyatus is the most com- 

 mon Kentucky form. Other enemies of the worm noted are TricJio- 

 gramma pretiosa, Telenomits sphingis, Sturm ia inqninata, the fungi, 

 Empusa grylli aud Sporotriclium glohuUfcrum, and the common skunk. 

 Mephitis mephitica, 



Eeferring to the literature upon the worms, the author points out that 

 Harris's figure, which has been reproduced in many places as F. celeus, 

 represents in reality the larva of F. Carolina; while Harris's figure, 

 explained as the larva of the southern worm, represents the young of 

 the northern species. 



Notes on several tobacco insects and on two imperfectly 

 known diseases of tobacco, H. Garman [Iventuclaj Sta. Jiul. 66, pp. 

 o5-o.s'). — The author notes the spiucd tobacco bug {Eiischistus rariola- 

 ritis), the corn root worm, the corn worm {Heliothis arniigera), and the 

 tobacco bud worm {H. rhe.ria), as doing considerable damage, and Sco- 

 lopdrella immacnlata and Japyx svhterraneus as being the probable 

 cause of certain dwarfing noticed in tobacco plants. This is the first 

 time these insects have ])een charged with injuries of this sort. Previ- 

 ously they have been supposed to feed on dead vegetable matter. 



Report of the entomologist, F. M. Webster [Ohio Sta. Ept. 1896, 

 pp. 32-36). — The autlior states that during the months of June and 

 August from 1,200 to 1,500 packages of the Muscardine fungus were 

 sent out by himself and assistant to farmers and that a personal inspec- 

 tion was made of the areas supplied. In the winter months the out- 

 breaks of the San Jose scale were studied. During the year material 

 was collected for an annotated list of the beneficial Hymenoptera of the 

 State. 



The insects reported as injurious during the year, besides the San 

 Jose scale and the chinch bug, are the aimy worm ( Lcucania unipuncta), 

 the cankerworm {Anisopteryx vernata), the grasshopiier [Melanoplus 



