Hostname: page-component-77c89778f8-5wvtr Total loading time: 0 Render date: 2024-07-18T12:02:59.188Z Has data issue: false hasContentIssue false
  • English
  • Français

SEX DIFFERENTIATION IN THE PUPAE AND ADULTS OF IPS SEXDENTATUS (COLEOPTERA: SCOLYTIDAE)1

Published online by Cambridge University Press:  31 May 2012

Suad Al-Rabiai
Suad Al-Rabiai
Affiliation:
Department of Zoology and Applied Entomology, Imperial College of Science and Technology, South Kensington, London, England
Get access Rights & Permissions [Opens in a new window]

Abstract

Adult sexing characters were found by comparing the arrangements of spines on the elytral declivity. Callows were distinguished by observing the male vas deferens through the semi-transparent pronotum. In pupae, sexing characters were found to be located in the posterior abdominal segment of both sexes.

Type
Articles
Information
The Canadian Entomologist , Volume 104 , Issue 7 , July 1972 , pp. 1029 - 1031
Copyright
Copyright © Entomological Society of Canada 1972

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

Al-Rabiai, S. 1970 (unpub.). Studies on the biology and life-history of the nematodes associated with bark boring beetles (Scolytidae). Ph.D. Thesis, University of London. 189 pp.Google Scholar
Clemens, W. A. 1916. The pine bark beetle. Bull. Cornell Univ. agric. Exp. Stn 383: 287–298.Google Scholar
Hopping, G. R. 1963 a. The natural groups of species in the genus Ips De Geer (Coleoptera: Scolytidae) in North America. Can. Ent. 95: 508–516.CrossRefGoogle Scholar
Hopping, G. R. 1963 b. The North American species in group I of Ips De Geer (Coleoptera: Scolytidae). Can. Ent. 95: 1091–1096.CrossRefGoogle Scholar
Hopping, G. R. 1963 c. The North American species in groups II and III of Ips De Geer (Coleoptera: Scolytidae). Can. Ent. 95: 1202–1210.CrossRefGoogle Scholar
Hopping, G. R. 1964. The North American species in groups IV and V of Ips De Geer (Coleoptera: Scolytidae). Can. Ent. 96: 970–978.CrossRefGoogle Scholar
Lanier, G. N. and Cameron, E. A.. 1969. Secondary sexual characters in the North American species of the genus Ips (Coleoptera: Scolytidae). Can. Ent. 101: 862–870.CrossRefGoogle Scholar
Michalski, J. 1961. The stridulatory organ as a secondary sexual character in Ips sexdentatus Boern. (Coleoptera: Scolytidae). (In Polish.) Annls zool., Warsz. 20: 27–33.Google Scholar
Nunberg, M. 1950. The stridulatory organ of Ips sexdentatus Boern. (Col.: Scolytidae). Annls Mus. zool. pol. 14: 135–141.Google Scholar