NOTES AND ABSTRACTS. 
215 
also when the spores were sprayed upon healthy plants of the latter. Spraying 
(except of the young plants in the frames, where the advantage of the use of 
Bordeaux mixture was marked) proved of little benefit, but the removal 
of dead leaves and " stubs " is recommended, as well as the provision of ample 
means of climbing. — F. J. C. 
Coeeidae affecting various Genera of Plants. By E. E. Green (Ann. Appl. 
Biol. iv. p. 75, Sept. 1917). — A useful list extending to 14 pp. and only dealing 
with genera, which are arranged alphabetically, from A to C, is given. Economic 
entomologists will find this list of the greatest assistance in getting at the name 
of scale insects which come under their notice, and as an indication of what is 
known concerning the attacks of different scale insects upon plants. — F. J. C. 
Coeeidae of Australia (continued). By W. W. Froggatt {Agr. Gaz. N.S.W. 
vol. xxvii. pp. 809-816, 883-888 ; vol. xxviii. pp. 135--140 ; 8 figs.) — The continu- 
ation of the list of Australian scale insects includes : Pseudoripersia turgipes, 
Erium globosum, Dactylopius acaciae, D. afftnis, D. albizziae, D. auriliantus, 
D. australiensis, D. bromeliae, D. ericicola, D. grevilleae, D. herbicola,\D . hibbertiae , 
D. lanigerus, D. lobulatus, D. longispinus, D. macrozamiae, D. similans, D. zamiae, 
Pseudococcus casuarinae, P. nivalis, Epicoccus acaciae, Lachnodius eucalypti, 
L. hirtus, L. lectularius, Rupersia leptospermi, and Antonina australis. 
The following new species were observed : Erium frenellae, found on the 
foliage of the desert cypress (Frenella robusta) in New South Wales. The adult 
female is enclosed in an elongated white sac. She is broadly oval, of a yellowish 
brown colour, with short legs, and seven -jointed antennae. The epidermis is 
covered with rod-like processes and small round orifices. E. newmani, from Dar- 
lington, West Australia, resembles E. globosum, but is larger. Dactylopius 
candidus, found on Acacia decurrens near Sydney, resembles D. acaciae, but differs 
from it in the structure of the antennae, which are eight-jointed, and in its very 
small anal tubercles. 
D. hilli lives on the leaves of a wattle at Darwin in the Northern Territory. 
The adult female is pale brownish yellow with mealy secretions fringed with 
woolly filaments. It is broadly oval and has eight -jointed antennae. Pseudo- 
coccus stolatus thickly covers the bark of Mypopium deserti with their oval 
white sacs. The adult-female is light brown, felted, ribbed with transverse 
lines, the margin fringed with short woolly filaments and has antennae with 
joints.— 5. E.W m 
Codling Moth, Late Broods of the. By B. S. Pickett (U.S.A. Exp. Stn., 
III. ; June 1914 ; Circ. 171 ; 7 figs.). — The object of this circular is to call special 
attention to the urgent need for strenuous efforts to combat this insect during 
the late summer season. Two means of control are recommended, spraying 
frequently and thoroughly with arsenate of lead, and trapping the worms in 
bands on the trunks of the trees. — V. G. J. 
Colorado Beetle, Control of the, Second Report. By L. B. Smith (U.S.A. 
Dep. Agr., Virginia Truck Exp. Stn., Bull. 17 ; Oct. 191 5 ; 2 tables). — The ex- 
periments during the season of 191 5 verify the more important points of the 
work done the previous season. Home-made Bordeaux mixture 50 gals., arsenate 
of lead 4 lb., and Paris green 1 lb., continue to give excellent results. Arsenate 
of lead paste at the rate of 2 lb. to 50 gals. Bordeaux proved very efficient 
in the destruction of the beetles. Calcium arsenate was tried, and the results 
indicate that it may prove of great value. — V. G. J. 
Cone Beetles : Injury to Sugar Pine and Western Yellow Pine. By John M. 
Miller (U.S. A. Dep. Agr., Bull. 243, July 24, 1915)- — The greater part of the damage 
to these pines is caused by small scolytid beetles, Conophorus spp. The common 
name of " cone beetles " seems most appropriate for these insects, as their life 
history and the damage caused by them relate entirely to the cones of the host 
trees. 
Sugar-pine cones at the beginning of the second-year growth are about 2 to 
i\ inches long and are attached to the limb by a stalk from 2 to 3 inches long. 
The parent adult beetle attacks the cone by boring into the stalk of the cone. 
The position of this initial entrance varies greatly ; usually it is just above the 
base of the cone, but it may occur anywhere from the base of the cone to an 
inch or more above. The wound made by the beetle soon produces a flow of 
resin which gradually accumulates on the surface in the form of a small pitch 
tube. After boring into the centre of the stalk the beetle turns towards the cone 
and continues to extend its tunnel straight outward through the axis of the 
