Eur. J. Entomol. 108 (2): 173-181, 2011 | DOI: 10.14411/eje.2011.023

Scorpion reproductive strategies, allocation and potential; a partial review

Michael R. WARBURG
Department of Biology, Technion-Israel Institute of Technology, Haifa 32000, Israel; e-mail: warburg@tx.technion.ac.il

Most scorpion species are iteroparous, breeding more than once during their life. Some of these species are parthenogenetic. The other reproductive strategy (RS) semelparity, when scorpions breed only a single time during their life, is rare and has been documented only once. The mass allocated by the female to produce either a litter or a single offspring is the reproductive allocation (RA). It is difficult to calculate RA since the difference in female mass before and after parturition is difficult to obtain. In addition, the litter size is hardly ever accurate because of maternal cannibalism. An attempt was made to calculate RA in Nebo hierichonticus (E. Simon, 1872). Based on litter size, on breeding frequency and on longevity of the female, it is possible to estimate the reproductive potential (RP). These aspects of scorpion reproduction are reviewed and the difficulties involved in this study are discussed.

Keywords: Scorpiones, reproductive strategies, reproductive allocation, reproductive potential, litter size

Received: August 3, 2010; Revised: December 6, 2010; Accepted: December 6, 2010; Published: April 5, 2011  Show citation

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WARBURG, M.R. (2011). Scorpion reproductive strategies, allocation and potential; a partial review. EJE, 108(2), 173-181. doi: 10.14411/eje.2011.023
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