أنواع حفارات عذوق النخيل التابعة للجنس Oryctes spp. (Coleoptera: Dynastidae)‎ و تحديد انتشارها النسبي في العراق

الملخص EN

A study was conducted to survey and identify palm rhinoceros beetle oryctes species found in some regions of iraq and evaluate their relative and seasonal occurrence during 2013-2014.

results obtained showed that four species of this genus were found in some provinces of iraq.

oryctes sahriensis demire was recorded for the first time in iraq, especially in al-najaf city, in addition to other species that has been recorded earlier.

these species were as follows: o.

elegans prell, o.

sinaicus walker and o.

agamemnon burmeister.

o.

elegans was the most common species in iraqi’s regions, where it was found widely in all surveyed regions which include Baghdad, babel, karbala, najaf, al-kadsia, thikar, basra, mysan and al-kut.

furthermore, the results of seasonal and relative abundance study in one of palm research stations in kut and using light traps illustrated that the adults of o.

sinaicus and o.

elegans started to emerge during April and disappeared in december, and the population peak of the two species were found during june, july and august.

the overall insect adults captured during the season was 1096 adults for o.

elegans and 519 adults for o.

sinaicus with relative occurrence of 66.8% for o.

elegans and 33.09% for o.

sinaicus.

the appearance of this insect pest with high population in the palm research station suggest their economic importance because of the damage caused by these insects on the quality and quantity of date palm and plantlets produced.