310 



attacks both cucumbers and squashes early in June and probably the 

 best method of control will be the covering of the plants with 

 protectors, if applied early enough. Arsenical poisoning seems to be 

 more effective when applied in the dry or powdered form than in 

 sprays. The squash borer, Melittia satyrinifonnis, H., which attacks 

 both squashes and pumpkins in August, is probably best dealt with 

 by cutting out the caterpillar and covering the plants with soil. 



Britton (W. E.). The Pine Tip Moth, Pinipestis zimmermani, Grote. 

 16th Rept. State Entomologist of Connecticut for the Year 1916, 

 Conn. Agric. Expt. Sta., New Haven, 1917, pp. 122-125, 2 plates. 

 [Eeceived 17th May 1917.] 



Pinipestis zimmermani together with Dioryctria abietella, D. & S., 

 was obtained in the laboratory from sections of pine wood which 

 were under examination for blister rust. It attacks the base of the 

 new annual shoot, causing a brown pitch mass to form and the tip to 

 shrivel and turn brown. It also attacks the trunk and larger branches 

 especially m the vicinity of wounds, often killing small trees. Its 

 larvae are found near the galleries of other borers and are par- 

 ticularly injurious in connection with those of the white pine weevil, 

 Pissodes strohi, Peck. 



It is known to infest Pinus strohus (white pine), P. rubra, P. resinosa 

 (red or Norway pine), P. sylvestris (Scotch pine), P. ceinbra (stone 

 pine), P. exceJsa (Bhutan or Japanese white pine), P. austriaca 

 (Austrian pine), and P. laricio (Corsican pine). So far, no practicable 

 method of control is known beyond destroying during the wnnter 

 or early spring trees or portions of trees known to be infested. 



Walden (B. H.). The Parallel Spittle-Insect on Pine.— 2^^^ RepL 

 State Entomologist of Connecticut for the Year 1916, Conn. Agric. 

 Expt. Sta., New Haven, 1917, pp. 125-126, 1 plate. [Received 

 17th May 1917.] 



The Cercopid, Aphrophora paraUela, Say, the presence of which is 

 indicated by masses of white froth near the tips of the twigs, is most 

 abundant on pitch pine {Pinus rigida), but has also been found on 

 white pine (P. strobus), Scotch pine (P. sylvestris), and to a less extent 

 on Norway spruce {Picea excelsa), but not on Austrian pine (Pinus 

 austriaca), red pine (P. resinosa), or Jack pine (P. banksiana). 



Miscellaneous Insect Notes. 16th Rept. State Entomologist of Connecticut 

 for the Year 1916, Conn. Agric. Expt. Sta.. New Haven, 1917, 

 pp. 138-146, 4 plates. [Received 17th May 1917.] 



The scale-insect, Eriococcus azaleae, Comst., has been found infesting 

 rhododendrons. The European elm case-bearer, Coleophora limo- 

 sipennella, Dup., is reported from a new district and seems to 

 be spreading ; it could probably be controlled by spraying with 

 lead arsenate. Galls caused by Chermes cooleyi, Gill., have been 

 noticed on the Colorado blue spruce. Probably a contact spray early 

 in spring would prove a remedial measure, as in the case of Chermes 

 abietis, L., the common spruce gall aphis. The Scolytid, Xyleborus 

 dispar, F., has been observed on the sugar-maple, in the wood of 



