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1 January 2010 Twig to Root: Egg-Nest Density and Underground Nymph Distribution in a Periodical Cicada (Hemiptera: Magicicada septendecim (L.))
Adrianne Smits, John Cooley, Erica Westerman
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Abstract

The egg-laying behavior of female insects could directly benefit the mother, her offspring, or a combination of both. Periodical cicada (Magicicada septendecim (L.)) females oviposit in twigs in the forest canopy, and newly hatched nymphs fall to the ground, where they spend 17 years feeding on tree roots. If nymph dispersal from their mother's oviposition site is limited, then female oviposition site selection could influence offspring fitness and survival. Here, we show that there is no correlation between egg-nest density in the forest canopy and nymph density directly below. Although the extent of nymph post-hatching dispersal remains unknown, our findings cast doubt on direct benefits to offspring as an explanation for female oviposition site choice.

Adrianne Smits, John Cooley, and Erica Westerman "Twig to Root: Egg-Nest Density and Underground Nymph Distribution in a Periodical Cicada (Hemiptera: Magicicada septendecim (L.))," Entomologica Americana 116(1), 73-77, (1 January 2010). https://doi.org/10.1664/09-RA-004R.1
Received: 16 June 2009; Accepted: 27 January 2010; Published: 1 January 2010
KEYWORDS
Egg-laying behavior
oviposition site choice
post-hatching dispersal
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