Hostname: page-component-78c5997874-4rdpn Total loading time: 0 Render date: 2024-11-03T00:07:50.797Z Has data issue: false hasContentIssue false
  • English
  • Français

Life History and Some Habits of the Pine Gall Weevil, Podapion gallicola Riley, in Michigan

Published online by Cambridge University Press:  31 May 2012

Louis F. Wilson
Louis F. Wilson
Affiliation:
Lake States Forest Experiment Station, Forest Service, U.S.D.A., East Lansing, Michigan, U.S.A.
Get access Rights & Permissions [Opens in a new window]

Abstract

The pine gall weevil has a 3-year life cycle on red pine (Pinus resinosa Ait.) in Michigan. Adults oviposit from June to August, depositing 1 to 10 eggs in a niche chewed in the bark of a branch internode. Larvae first emerge in August, feed as a group toward the cambium, and then radiate out along the xylem. Head capsule measurements from 1585 larvae indicate that there are three larval instars. Gall development begins in June of the second year, shortly after the larvae begin the second instar. The third instar commences in June of the third year. Pupation occurs in May of the fourth season; adult emergence follows in June. Overwintering occurs in the egg stage or in the three larval instars. Adults do not overwinter, and apparently three distinct broods occur in Michigan.

Type
Articles
Information
The Canadian Entomologist , Volume 97 , Issue 9 , September 1965 , pp. 962 - 969
Copyright
Copyright © Entomological Society of Canada 1965

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Abercrombie, W. F. 1936. Studies on cell number and the progression factors in the growth of Japanese beetle larvae (Popillia japonica Newman). J. Morph. 59: 91–112.CrossRefGoogle Scholar
Blatchley, W. S., and Leng, C. W.. 1916. Rhynchophora or weevils of North Eastern America. Nature Publ. Co., Indianapolis, Ind.682 pp.Google Scholar
Doak, C. C. 1935. Evolution of foliar types, dwarf shoots, and cone scales of Pinus. Illinois biol. Monogr. 106 pp.Google Scholar
Gaines, J. C., and Campbell, F. L.. 1935. Dyar's rule as related to the number of instars of the corn ear worm, Heliothis obsoleta (Fab.), collected in the field. Ann. ent. Soc. Amer. 28: 445–461.CrossRefGoogle Scholar
Harrington, W. H. 1891. Notes on a few Canadian Rhyncophora. Canad. Ent. 23: 21–27.CrossRefGoogle Scholar
Ludwig, D., and Abercrombie, W. F.. 1940. The growth of the head capsule of the Japanese beetle larva. Ann. ent. Soc. Amer. 33: 385–390.CrossRefGoogle Scholar
Riley, C. V. 1883. On a gall-making genus of Apioninae. Bull. Brooklyn ent. Soc. 6: 61–62.Google Scholar
U.S. Agricultural Research Service, Plant Pest Control Division. 1956. Co-oper. econ. Insect Rpt. 6: 428.Google Scholar
U.S. Agricultural Research Service, Plant Pest Control Division. 1959. Co-oper. econ. Insect Rpt. 9: 388, 736, 1064.Google Scholar
U.S. Forest Serv. 1963. Sth. For. Pest Rptr. 2: 10.Google Scholar