ICO STATE POMOLOGICAL SOCIETY. 



TrogositidcB, and if not the identical species, is nearly related to the grub de- 

 scribed by Dr.Le Baron, as found by Dr. Reed in Muscatine, Iowa, in his third 

 annual report, page 182. 



These larvse are whitish, depressed, tapering anteriorly, with a brown head, 

 and with two brown spots on each of the first three segments. The last seg- 

 ment terminates in a horny plate, extending backwards in two horny spines. 

 The specimens sent me ranged from less than a quarter to more than a half 

 inch in length. I presume the latter may have been nearly full grown, though 

 Mr. Goit stated that he had seen them one-third larger. I think these are of 

 the genus Trogosila, possibly T. corticoUs, Mel.,vf\V\c\\ Dr. Le Baron has taken 

 under the bands, and which I have frequently taken at Lansing. I hope tha 

 following season to remove all guesswork in the matter. 



Mr. Goit, who, by the way, seems an excellent observer, saw these grubs de- 

 Tour both larva) and pupa"), but mostly pupa3, which were eaten in large num- 

 bers. Some pupae enclosed with those sent to me, were used for a lunch while 

 ©n the journey. 



Prof. Riley describes the larvas of two more of our common beetles, Chanuli- 

 ognathus Peiinsylvanicus, and Teleplwrons hilineatus, Say, both of which feed 

 on the larvae of the Codling Moth. 



These beetles, specimens of which I have before me, are soft-M-inged, belong to 

 the family Lampyridae, which also includes our common fire-fly, or more 

 properly fire-beetle. These beetles feed on the honeyed sweets of flowers, and 

 during the bright September days of last autumn, I caught a large number of 

 the former, which fairly swarmed on our Minnesota bee plant, which, from its 

 showy bloom and myriad insect visitors, was an attractive feature at our 

 apiary. 



These grubs, as described by Prof. Riley (see his 1st and 4th reports), are of 

 a rich, velvety brown, with longitudinal rows of lateral black spots. The last 

 named has an interrupted dorsal stripe of white. These beetles are caught in 

 bottles of sweetened water suspended in the trees, which, as we thus see, are 

 not only valueless, but a positive evil. 



Nothing need be said in reference to parasites further than what appeared in 

 the report of 1872. 



I have thus risked taxing your patience by this detailed account of one of 

 our worst insect pests, believing that the importance of the subject would far 

 more than justify it. Not to weary you longer, I close with the following 

 amended summary from Prof. Riley's third report: 



" The Apple Worm or Codling Moth is an important insect. There are two 

 broods a year, and the second passes the winter within the cocoon in the larvas 

 state. Use sheep or hogs in the orchard whenever it is possible to do so. Put 

 no confidence in lights or bottles, but rely on the bandage system. Have the 

 bandages in place by the 20th of June, and destroy the cocoons, larvaa and 

 pupas underneath them every ten days, commencing, when necessary, as early 

 as July 8th, continuing till A.ugust 30th, and again at the close of the season, 

 after the fruit is harvested. Destroy, as soon as the ground thaws in spring, 

 all insects within cocoons found around store-houses, or under bark, where 

 trees were not bandaged the previous year. Urge your neighhors to combine 

 with you in the work. 



