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Fire Ant Myrmecophiles: Breeding Period and Ovariole Number in Myrmecaphodius excavaticollis (Blanchard) and Euparia castanea serville (Coleoptera: Scarabaeidae)

Daniel P. Wojcik and D. H. Habeck
The Coleopterists Bulletin
Vol. 31, No. 4 (Dec., 1977), pp. 335-338
Stable URL: http://www.jstor.org/stable/3999890
Page Count: 4
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Fire Ant Myrmecophiles: Breeding Period and Ovariole Number in Myrmecaphodius excavaticollis (Blanchard) and Euparia castanea serville (Coleoptera: Scarabaeidae)
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Abstract

Dissection of female Myrmecaphodius excavaticollis (Blanchard) and Euparia castanea Serville from black light collections indicated that both species flew in all stages of ovarian development. Dissection of beetles collected from light traps, ant mounds, pitfall traps, and on top of ant mounds suggested that M. excavaticollis may breed continuously during the year. The maximum number of mature eggs found in M. excavaticollis was 26, with most specimens containing 12 or fewer. Dissection of E. castanea collected from ant mounds and light traps indicated that this species too may breed continuously throughout the year. The maximum number of eggs observed in E. castanea was 18. There were 6 ovarioles per ovary in both species.

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