The Insect pest survey bulletin

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Material Information

Title:
The Insect pest survey bulletin
Physical Description:
v. : maps ; 26 cm.
Language:
English
Creator:
United States -- Bureau of Entomology
United States -- Bureau of Entomology and Plant Quarantine
Publisher:
Bureau of Entomology, U.S. Dept. of Agriculture
Place of Publication:
Washington, D.C.
Publication Date:
Frequency:
monthly, mar-nov. plus annual[1926-]
monthly, apr.-nov.[ former 1922-1925]
monthly, may-nov.[ former 1921]

Subjects

Subjects / Keywords:
Insect pests -- Periodicals   ( lcsh )
Entomology -- Periodicals   ( lcsh )
Genre:
serial   ( sobekcm )
federal government publication   ( marcgt )

Notes

Dates or Sequential Designation:
Vol. 1, no. 1 (May 1, 1921)-
Numbering Peculiarities:
Vol. 14, no.9 issued only as a supplement..
Issuing Body:
Vols. for May 1, 1921-1934, issued by the U.S. Bureau of Entomology; 1935- by the U.S. Bureau of Entomology and Plant Quarantine.
General Note:
"A monthly review of entomological conditions throughout the United States" (varies slightly).
General Note:
Includes annual summary starting in 1926.
General Note:
Includes some supplements.

Record Information

Source Institution:
University of Florida
Rights Management:
All applicable rights reserved by the source institution and holding location.
Resource Identifier:
aleph - 030368280
oclc - 08816534
lccn - sn 86033699
Classification:
lcc - QL1 .I56
System ID:
AA00023228:00131

Full Text






THE INSECT PEST SURVEY


BULLETIN


Volume 17 Supplement to Number 8 October 25, 1937


BUREAU OF

ENTOMOLOGY AND PLANT QUARANTINE

UN I TED STATES

DEPARTMENT OF AGRICULTURE

AND

THE STATE ENTOMOLOGICAL


AGENCIES COOPERATING


IBRARY
'r '. ANT VBO ARI














IN J E C T FP E T S U R V E Y 3T LL T I NT


Vol. 17 Supplement to No. 8 October 2o, 1937

~~~0; Tjj -"-,7F-r .,.--

LIBE T.IO.TS O PARAS IrT ...; OF TiE WJROTEA7 CORiN' BOPJR

7L 1 T7E TIITED "TATE S l, 1 7

By Clilrles A. Clark ,Jossocite entoro t
Division of Cereal andc Forage Instoct tInv,'stitions-
United` t:. tes Department o_' Agricuiture


The 1937 program for colonization of parrasitas of tne, Lu-ropean corn
borer was conducted essentially as were those of the preceding years. Adult
parasites were roared from. domt;sticalily collected host l-rv',e or from similar
material imported from Europe. All adult parasites emer-.-A at the lMooresto'wn,
N. J., laboratory and w re taken from there directly to the field or 'were
shipped in iced containers by rail to other lEboratories for release in ad-
jacent infested regions. A totil of 21,172 dults w:rc r lesed during the
season, which (see Insct Pest Survey Bull. v. 16, no. 9, Sup., Dec. 20, 19'56)
brings the grLnd totPl of corn borer parasites rl, a- c in the. United States to
date to over 5,660,000. A summary of the 1927 rel .ase, of the v, rious --,rasites
is -ivynr.'y States, counties, and tonmships in table 1.

InFareoltta punctoria rLoman.--Emphasis ws agzin placed on the further
distribution of the ichneumaonid 1. punctorii over the previouslyy uncolonized
infested area. A o197 relt>;'- o' this spc-ciec. M. s tLi.de in .e;rth:.myton Coanty,
Vs., whre it had been previously r l'es e in 1'.6 C, th., "borer s reported
to be rapidly increa"ing in tIit locality and it w s thopht th'at the p raitc
did not h.v,. a oatisfactor.y c-h nc of est.blls iint il 19?6, bjcau of thl un-
usuel and soy, re drought of thLt ye ar. In "ii, 16 rl,+ of this i" rv i
p.Drasit,,. w.rc made in fs mcny counties loc'te-d in 7 St, t;. Thu. number of
-dults rele-sed in 1937 w+s 8,827, brin.,inrc th- total :-umber to i: ,577 -eleascd
since the beginning of th-e corn bor r r -..r-. i ork. A!-t tL clo of trhe 19537
season this pa'rasite h'd been ri:le.:,e d in pr' ctt lc ly L-1 counties kno',.n to have
sufficient corn borer infest-tion to justify :u:h rel,.a-s. Libr rrtione of this
species were made in the easteru area iro Chittten-e'. County, in northern Ver-
mont, to and including lorth- r:,':ton County, on the. w stereo 3here of Virginia.



D. V. Jones, V. G. Br-diey, 1.. W. Beck, E. D. Burgers, .an K. D. Arbuthnot
assisted vith the releases of the p:irasiter; over tne infected ra.





-452-



Similar releases were made in the western area from Huron County, in the
"thumb" district of Michigan, southward to Darke and Miami Counties in Ohio
and as far west as Steuben and Allen Counties, Ind. The parasite was also
released in the heavily infested counties along the south shoresof Lakes
Ontario and Erie, in western New York. Map 1 shows all counties in which this
parasite'was released. During the 1957 season, a' total of 1,257 adults of I.
punctoria were shipped to Canada for release there.

Chelonus annulipes Wlesm.--Test releases of the braconid C. annulipos,
a parasite which attacks the egg stage of th,: corn borer and emerges from the
fourth-instar larva, were made at two points in Connecticut, one point in New
Jersey, and two in Virginia. The releases of C. annulipes in substantial
numbers in Virginia were made possible by a supply of this parasite received
from the Canadian Department of Agriculture, through th'e courtesy of the
Dominion Parasite Laboratory located at Boilevile, Ontario. Adults received
from Canada were laboratory reared. The other parasites released emerged from
material imported from Italy. Releases in Connecticut and New Jersey were syn-
chronized with the presence in the field of first-generation eggs and in Vir-
ginia with eggs of the second generation of the borer. A total of 10,305
adult parasites of this species were liberated at the 5 locations.

Lydella stcbulans var. grisescens R. D'sv.--This tachinid parasite had
been colonized pr-ctic-lly throughout the infested area prior to 1937. How-
ever, during this season.I colony, consisting of 1,987 adults, w.s liberated
at New Fairfield, in Ffirfiold County, Conn., whore corn bore-r infestation
had recently .increased sufficiently to justify a release. A small release of
this parasite was also made in IT w Jersey. A total of 4,319. adults were.shippe
to the Dominion Parasite Laboratory at Belleville, Ontario,for release in that
area. Over- 400 L. gris.scens, of which half were mated females, were shipped
by air express to the Bureau laborntoMr at Prosidio, Tex., for testing on the
pink bollworm (Pactinophorai syjiv Seund.).

Othcr parasites.--A small number of adults of the larval parasite Bassus
agilis Cress. and. Qf, Labro'yqhus prismaticus Nort., which emerge fr m the host
in the pupal stage, were obtained. Thuse native parasites were released in
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