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Full
Length Research Paper
Studies on the annual population and effect of weather
factors on the activity of certain Staphylinidiae species
indicated by two different light traps in Qena Governorate,
Egypt, with reference to height effect
Mohammed Z.Y. Aly1, Ebrahem E.E. Mohamed1,
Abir S.
Al-Nasser*2
and Amr M.M. Badawy1
1Zoology
Department, Faculty of Science, South Valley University Qena,
Egypt
2*Faculty
of Applied Sciences for Girls, Umm Al-Qura Univ., Makkah,
Kingdom of Saudi Arabia
*Corresponding Author E-mail:
al-nasser.abir@hotmail.com;
asnasser@uqu.edu.sa
Received 29 November, 2011; Accepted 09 January, 2012
In the present work, four light traps were operated from
sunset to sunrise once every three nights (from March, 2007
to February, 2009); these are Robinson mercury vapor light
trap and “Jermy-type” light trap, to demonstrate the annual
population fluctuations,
height effect and effect of weather factors on the activity
of four species of family Staphylinidae,
namely Atheta gregaria, Paederus alfierii, Philonthus
quisquiliarius and Philonthus turbidus.
It is important to hint that, studying the annual population
fluctuations of some Staphylinidae species indicates the
number of generations per year of considerable number of
species differ among the two years.
Paederus alfierii
had two generations per year, while the other species had
three generations per year.
The largest numbers of individuals were recorded at traps (A
and B), and the lowest numbers were recorded at traps (C and
D). On the contrary the largest number of Paederus
alfierii Koch was recorded at traps (C and D), and the
lowest number was recorded at traps (A and B).
The effect of weather factors on the activity of these
species carried out by partial correlation coefficient
values on the maximum temperature, minimum temperature,
relative humidity and wind velocity at the two levels and
for two types of light traps.
Keywords: Weather factors, population, staphylinidiae
species and temperature.
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