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首页> 外文期刊>African Entomology >Survey and relative abundance of insects (Insecta) excluding Lepidoptera from sixteen commercial date palm orchards using light traps at Riyadh Province, Saudi Arabia
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Survey and relative abundance of insects (Insecta) excluding Lepidoptera from sixteen commercial date palm orchards using light traps at Riyadh Province, Saudi Arabia

机译：在沙特阿拉伯利雅得省使用光阱对十六个商业枣椰子园中不包括鳞翅目的鳞翅目昆虫（昆虫纲）进行调查和相对丰度

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摘要

Date palm (Phoenix dactylifera L.) is one of the oldest fruit crops of the world having been cultivated for many centuries in North Africa and the Middle East. In Saudi Arabia commercial date palm production is an important industry. Insects, excluding the Lepidoptera, were sampled with Robinson-t5^e light traps placed in 16 date palm commercial orchards in the Al-Kharj region, Riyadh Province, Saudi Arabia, for 12 months from June 2007 to May 2008. No insecticide treatments or manure fertilizer applications were made in the orchards during operation of the traps. A total of 44 485 insects representing nine orders (Orthoptera, Blattodea, Dermaptera, Hemiptera, Mantodea, Neuroptera, Coleoptera, Hymenoptera and Diptera) and at least 50 different taxawere counted and identified. Most of the insects were trapped during a period extending from mid-Spring (April) to early autumn (September), The highest numbers were trapped during July and August (87 % of the total). Two orders, Coleoptera and Diptera represented 97 % of all insects trapped. Beetles comprised 87,83 % of the total insects trapped with scarabs composing 73 % of this percentage. The fruit stalkborer Oryctes elegans comprised 58 % of that total. This species was exceptionally abundant in one of the orchards in August. Dipterans comprising 10 % of the total (4 701 individuals), was the only other order attracted in relatively large numbers to the light traps. Most of these flies were trapped during August, The sericine scarab Maladera insanabilis previously not known from date palm orchards of Saudi Arabia may be a potential new pest.
机译：枣椰子（Phoenix dactylifera L.）是世界上最古老的水果作物之一，在北非和中东地区种植了多个世纪。在沙特阿拉伯，商业椰枣生产是重要的产业。从2007年6月至2008年5月的12个月中，将除鳞翅目外的所有昆虫用Robinson-t5 ^ e诱捕器采样，该诱捕器放置在沙特阿拉伯利雅得省Al-Kharj地区的16个枣椰子商业果园中。为期12个月。在诱集装置运行期间，在果园中施用肥料。总共计数和鉴定了代表9个目（直翅目，盲目目，皮膜目，半翅目，曼陀目，神经翅目，鞘翅目，膜翅目和双翅目）的44 485种昆虫。大多数昆虫在春季（4月中旬）到秋季初（9月）期间被诱捕，在七月和八月期间捕获的昆虫最多（占总数的87％）。鞘翅目和双翅目这两个订单占被困昆虫总数的97％。甲虫占被甲虫捕获的昆虫总数的87.83％，占这一比例的73％。水果茎秆线虫占总数的58％。该物种在八月份的一个果园中异常丰富。占总数10％（4701个个体）的二足动物是唯一一个相对较大数量被诱捕器捕获的其他命令。这些苍蝇中的大多数都在8月被困。沙特阿拉伯枣园以前从未发现过丝胶圣甲虫Maladera insanabilis，这可能是潜在的新害虫。

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