Studies on the Biology and Eco Physiology of Sesame Seed Bug, Elasmolomus Sordidus Fabricius, at Kafta - Humera Sesame Fields

Authors

  • Muez Berhe Ethiopian Institute of Agricultural Research
  • Berhanu Abraha Tsegay Bahir Dar University
  • Geremew Terefe Ethiopian Institute of Agricultural Research

DOI:

https://doi.org/10.18034/mjmbr.v7i1.484

Keywords:

Elasmolomus Sordidus, Biology, Ecophysiology

Abstract

The experiment was conducted in the plant protection laboratory of the Humera Agricultural Research Center to study the biology of sesame seed bug, Elasmolomus sordidus (Fabricius), Hemiptera: Lygaeidae. E.sordidus is considered as the most important harvest and post-harvest insect pest of sesame in North western Ethiopia. The rearing and other tests were conducted in the laboratory at 28-330C and 50 to 65% RH. The result of this laboratory investigation indicated that the mean egg incubation period was 5.4± 0.05 days while the total mean nymphal duration took 18.44±0.10. A mean adult lifespan of 20.24±0.19 days was recorded. The mean lifespan from egg to adult death was 44.08 days, which range from 32-54 days. The reproductive period was 7.08 ± 0.26 days and the peak laying period was on the first and second day of its reproductive days. Even though E.sordidus was present the whole year high outbreak was recorded at harvest (October) and continued up to January, which afterward declined until the next harvest time.

 

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Author Biographies

  • Muez Berhe, Ethiopian Institute of Agricultural Research

    Ethiopian Institute of Agricultural Research, Humera Agricultural Research Center, ETHIOPIA

  • Berhanu Abraha Tsegay, Bahir Dar University

    Bahir Dar University, Department of Biology, Bahir Dar, ETHIOPIA

  • Geremew Terefe, Ethiopian Institute of Agricultural Research

    Ethiopian Institute of Agricultural Research, Addis Ababa, ETHIOPIA

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Published

2020-01-26

Issue

Vol. 7 No. 1 (2020): January - June Issue

Section

Peer-reviewed Article

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How to Cite

Berhe, M. ., Tsegay, B. A. ., & Terefe, G. . (2020). Studies on the Biology and Eco Physiology of Sesame Seed Bug, Elasmolomus Sordidus Fabricius, at Kafta - Humera Sesame Fields. Malaysian Journal of Medical and Biological Research, 7(1), 13-22. https://doi.org/10.18034/mjmbr.v7i1.484