yess 
Sree . 
Reds enter: Melrose Hi; ghlands, neaeae that. “Wa. ‘colonies of a 
taghinid: fly: Lypha dubia Fall. were liberated in April. One colony * 
we adults was put out in am infestation of the European. pine shoot” 
oth (Rhyacionia buoliana Schiff.) at Jericho, La ty way. and” gies: 
angther:/-colony..in an infestation at Easton, Com. Little is known "°°" 
concerning -the-.-. habits-of this: fly, whieh: has been obtained from Bure 
pean pine ‘shoot. moth matérial collected: ‘in :Austr ia. auring ’ “the® past 
few years, ‘;The puparia have’ béén forwarded.t6 Melrose and. placed in! 
hibernation, - the flies” issuing ‘early- the: next: spring. ; A few. ‘f1iés ~ 
have mated in confinement but efforts to: obtain further: information 
on the biology of the fly have not. been: ‘successful. It is of interest 
that:there: already. occurs in New England a: sechiards fly which taxon 
nomically appears identical with: the. ‘European species. The American ~ 
form -has never been reared | from ‘the. aro oe shoot moth nor. ere 
its: uae ‘known. aan és: ESS pthce ee P09 
hs ve iScharfner, Jr., Melrose Hightonds, prone information * 
régarding results obtained by P. A. Berry: and himself regarding 
para asitization. of full-grown larvae’ and pupae of the elm leaf ‘beetle 
(Galerncella xanthomelaena Schr. ) by’ a species of. Tetrastichus, first: 
noted by. the- laboratory- in-1932.: Collections of..larvae and ‘pupae © Ore 
were ‘obtained: during July and August: 1933; .fron, “points | in New. Hampshire, 
Massachusetts, Connecticut, “and ‘New York,’ and;each. larva or pupa was’ 
placed in a gelatine ‘capsule. ° Adults*of=the: Tetrastichus issued during 
August and others issued in the spring of'1934. The records show tht 
from 1:.to. 36. parasites issued per host. Records of particulatly high © 
ES SARE were.as follows: U4&cpercent: of 100 pypae. from Stratham, 
N. H.3-/ 55.5 percent--of-200 from OBAGI pom and ee 5. ele | 
of 200 from Southington, POE rite Saas Peet is ae 
~ Seasonal conditions in nove neeH California. from 30 té 60° days: 
earlier than in 1933.--R. L. ‘Furniss, of -the Berkeley, Calin? field .. 
laboratory, states that during’ ‘the “first: week.of. April 1934. . prelim 
inary check-up of western pine beetle development in the Modoc’ Forest 
showed that in 1934 fir$t’ pupae were! ‘forned about 30 days earlier 
Snare L9 458 height’ of pupal : development was. 50" ‘days earlier; is 
new adults were observed: oft days earlier;-:and;first emergence was“ 
60 days earlier, .If there’ is ho prolonged: cold,- rainy weather dr ie! 
the late spring the period of brood development during the 1934 season 
should be very considerably heads over Ane normal for the region. 

er the second week of February. 1931, aasniedua sphegeus g Fab.’ 
Othnius umbrosus Lec. and the other subcortical associates of the“ 
western pine “peetle were observed in flight:on the Modoc. This: was 
at the same time of year that severe winter kill. of western pia 
beetle broods occurred in 1933. 
Box elder bug a serious pest in Zion National Park.--Donald DeLeon, 
of the Berkeley, Calif., field laboratory, has just returned from the 
Zion National Park where a field study was made of the local infesta- 
tion problems. Leptocoris trivittatus Say is a serious pest in this 
