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1 September 2006 Life History and Secondary Production of Caenis latipennis (Ephemeroptera: Caenidae) in Honey Creek, Oklahoma
Jason M. Taylor, James H. Kennedy
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Abstract

The life history and production of Caenis latipennis Banks (Ephemeroptera: Caenidae) is described from Honey Creek, Oklahoma. Emergence behavior, fecundity, voltinism, and secondary production were analyzed. C. latipennis had an extended emergence with five peaks. Females emerged, molted, mated, and oviposited in an estimated 37 min. Mean fecundity was 888.4 ± 291.9 eggs per individual (range, 239–1,576). Adult female head capsule widths in spring were significantly larger than in summer and fall. Compared with the other seasons, fecundity was significantly higher in early summer when densities were lowest. C. latipennis exhibited a multivoltine life cycle with five overlapping generations. Estimated annual secondary production for C. latipennis in Honey Creek was 4,404.28 mg/m2/yr, mean standing stock biomass was 274.64 mg/m2/yr, cohort production:biomass ratio was 5.79, and the annual production/biomass rate was 16.04/yr/yr. Standing stock biomass ranged from 7.6 to 705.4 mg/m2 during the year. Standing stock biomass did not vary significantly among seasons.

Jason M. Taylor and James H. Kennedy "Life History and Secondary Production of Caenis latipennis (Ephemeroptera: Caenidae) in Honey Creek, Oklahoma," Annals of the Entomological Society of America 99(5), 821-830, (1 September 2006). https://doi.org/10.1603/0013-8746(2006)99[821:LHASPO]2.0.CO;2
Received: 5 July 2005; Accepted: 1 March 2006; Published: 1 September 2006
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KEYWORDS
Caenidae
Ephemeroptera
life history
secondary production
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