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- Publications
- Influence
Sensory exploitation as an evolutionary origin to nuptial food gifts in insects
- S. Sakaluk
- Biology, Medicine
- Proceedings of the Royal Society of London…
- 22 February 2000
Nuptial food gifts given by males to females at mating are widespread in insects, but their evolutionary origin remains obscure. Such gifts may arise as a form of sensory trap that exploits the… Expand
A dynamic threshold model for terminal investment
- K. R. Duffield, E. K. Bowers, S. Sakaluk, B. Sadd
- Biology, Medicine
- Behavioral Ecology and Sociobiology
- 3 December 2017
Although reproductive strategies can be influenced by a variety of intrinsic and extrinsic factors, life history theory provides a rigorous framework for explaining variation in reproductive effort.… Expand
Females use self-referent cues to avoid mating with previous mates
- T. M. Ivy, C. B. Weddle, S. Sakaluk
- Biology, Medicine
- Proceedings of the Royal Society B: Biological…
- 7 December 2005
Females of many species mate repeatedly throughout their lives, often with many different males (polyandry). Females can secure genetic benefits by maximizing their diversity of mating partners, and… Expand
Ejaculate expenditures of male crickets in response to varying risk and intensity of sperm competition: not all species play games
- J. M. Schaus, S. Sakaluk
- Biology
- 1 November 2001
Costs incurred in the manufacture of ejaculates may constrain the number of sperm that males can produce, so males should show some economy in their allocation of sperm across multiple matings. In… Expand
Courtship feeding in decorated crickets: is the spermatophylax a sham?
- Michael W. Will, S. Sakaluk
- Biology
- Animal Behaviour
- 1 December 1994
Abstract Abstract. The spermatophore transferred by a male decorated cricket, Gryllodes sigillatus , at mating includes a large gelatinous spermatophylax, devoid of sperm, which the female removes… Expand
Cryptic Sexual Conflict in Gift‐Giving Insects: Chasing the Chase‐Away
- S. Sakaluk, Rachel L. Avery, C. B. Weddle
- Biology, Medicine
- The American Naturalist
- 7 November 2005
The chase‐away model of sexual selection posits that elaborate male sexual displays arise because they exploit preexisting biases in females’ sensory systems and induce females to mate in a… Expand
REPRODUCTIVE BEHAVIOUR OF THE
- S. Sakaluk
- 2007
Male crickets (Orthoptera: Gryllidae) compete for females through direct physical aggression (ALEXANDER, 1961; BURK, 1983; BOAKE, 1984; DIXON & CADE, 1986) and acoustic signalling behaviour… Expand
POLYANDRY PROMOTES ENHANCED OFFSPRING SURVIVAL IN DECORATED CRICKETS
- T. M. Ivy, S. Sakaluk
- Medicine
- Evolution; international journal of organic…
- 1 January 2005
Abstract Although female multiple mating is ubiquitous in insects, its adaptive significance remains poorly understood. Benefits to multiple mating can accrue via direct material benefits, indirect… Expand
Spermatophore size and its role in the reproductive behaviour of the cricket, Gryllodes supplicans (Orthoptera: Gryllidae)
- S. Sakaluk
- Biology
- 1 July 1985
The spermatophore that a male cricket of Gryllodes supplicans transfers to the female during mating, includes a large gelatinous portion (spermatophylax) that is removed and consumed by the female ...
Experimentally induced spermatophore production and immune responses reveal a trade-off in crickets
- A. M. Kerr, S. Gershman, S. Sakaluk
- Biology
- 1 May 2010
The energetic demands of the immune system and reproduction are often high and can lead to trade-offs between these 2 life-history traits. In decorated crickets, Gryllodes sigillatus, much of a… Expand
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