

sey Fr 
FOREST INSECT INVESTIGATIONS 
A. ‘De Hopkins, Zntomologist in Charge 
The termite Coptotermes niger Snyder is causing serious damage to 
lead-covered cable at the ‘oces of toe Panama Canal. § These termites 
worl: through the lead. often causing large openings, and then travel be- 
tween the two wires of the Dupiex cable. Since the space between these 
two wires is not ample, they eat away the insuletion, Another termite, 
Nasutiternes ephrates Holmgren, is a very serious offender also; it does 

mot care for lead put worlss havoc in rubber, cloth, and other insulation. 
An illustrated paper by Dr. T. E. Snyder and J. Zetek on these and other 
economic termites of the Canal Zone is almost completed. 

TRUCK CROP INSECT INVESTIGATIONS. 
F, H. Chittenden, Entomologist in Charge 
J. E. Graf, entomologist in charge, field control, Mexican bean 
beetle, has just returned to Birmingham, Ala., after investigating the bean 
beetle in the Estancia Valley of New Mexico, He reports that the beetle 
has received a serious check owing to the shortage of moisture during the 
past winter and spring, which has occasioned a reduction in acreage from 
90,000 to 20,000 acres in the Valley. Distribution after hibernation 
follows prevailing winds down the canyon, but owing to the scarcity of food 
plants, beetles are becoming more widely separated than usual, Flights 
of 1 to 2 miles, several of which occur a day, are not uncommon. Since 
the average net return from an acre of beans is about $15, expensive con- 
trol measures can not be instituted. 
J. E, Dudley, assistant entomologist, Madison, Wis., is continuing 
control experiments against the pea aphis on cannery peas in northern 
Wisconsin, 

LIBRARY 
Mabel Colcord, Librarian 
New Books 
Alluaud, Ch., and Jeannel, R, Voyage en Afrique orientale 1911-1912. 
Limoges, 1911-1912, 
V. 1. ‘Liste des stations. Vermes 1-2, Grottes, Plancton, Poissons. 
V. 2. Pseudoneuropteres 1-2 (Termitidae, Odonata) 
V. 3. Hymenopteres 1-4. 
vo 4. Apterygogeniens 1, Thysanoures, Strepsiptera, Nevropteres l. 
V. 5. Diptera 1-5. 
V. 6. Hemiptera 1-4, 
V. 7. Lepidoptera 1-2. 
