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Tachinid parasitoids ofTraumatocampa ispartaensis Doğanlar & Avcı (Lepidoptera, Thaumetopoeidae), which was found to be a new species, were collected from the cedar forests
around Isparta-Kapıdağ. The species found wereBlondelia nigripes (Fall.),Compsilura concinnata (Meig.),Pales processioneae (Ratz.),Phryxe caudata (Rond.),Exorista segregata (Rond.) andCarcelia iliaca (Ratz.). Within the six species of Tachinidae,B. nigripes was the most common one, parasitizing up to 4.6% ofT. ispartaensis pupae.
http://www.phytoparasitica.org 相似文献
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In field trials in Israel, piperonyl butoxide (PB) alone, at concentrations of 2000 and 5000 ppm exerted good control over nymphal Bemisia tabaci populations on cotton. Weekly doses of these concentrations exerted greater control than a recommended oil and were as effective as the standard single application of buprofezin. Cypermethrin caused marked resurgence within the plots, probably as a consequence of its detrimental effects on natural enemies. Neither PB, buprofezin nor the oil reduced the incidence of natural enemies. Treatment with 2000 or 5000 ppm PB resulted in a shift in age structure toward a greater proportion of young instars than in other treatments. There was some evidence that these effects facilitated a greater level of parasitism in PB-treated plots. 相似文献
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温度与接蜂密度对管氏肿腿蜂寄生的联合干扰反应研究 总被引：3，自引：0，他引：3
室内测定了不同温度与不同接蜂密度条件下对管氏肿腿蜂Scleroderma guani寄生的联合干扰反应。结果表明,肿腿蜂在温度15℃,接蜂量为1,2,3,4,5头时,其产卵量分别为1.50±0.71,2.00±0.47,1.50±0.53,1.30±0.48,1.20±0.42,差异显著(F=3.44,P=0.02)。在温度24℃,接蜂量为1,2,3,4,5头时,管氏肿腿蜂产卵量分别为32.80±1.61,36.40±1.43,34.60±2.01,27.50±1.96,16.40±1.51。其中温度在27℃条件下,接肿腿蜂1头时,管氏肿腿蜂产卵量为最高。不同温度下,管氏肿腿蜂对自身密度的干扰反应随着单位空间内密度的增加,其干扰作用增强,表现为随着寄生蜂密度增大,寄生率下降。肿腿蜂对黄粉甲蛹的寄生率在27℃下最高,达93.33±3.55%。在温度24、27、30℃时,均以光周期为10L:14D的寄生成功率最高。在温度18和21℃时寄生成功率均以16L:8D条件下为最高。 相似文献
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记述了采自云南省腾冲县的大腿小蜂属1新种:腾冲大腿小蜂(Brachymeria tengchongensis C.D.Li,sp.nov.),并附有特征照片;编制了该属所有中国已知种类的名录,包括寄主、分布和主要文献。 相似文献
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开花植物对早竹造瘿害虫寄生蜂卵的发育和寿命的影响 总被引：1，自引：0，他引：1
研究了紫云英(Astragalus sinicus L.)、芥菜(Brassica juncea L.)和油菜(Brassica napus L.)3种开花植物对早竹(Phyllostachys praecox)造瘿害虫寄生蜂卵的发育和寿命的影响。研究表明:纹黄枝瘿金小蜂(Homoporus japonicas Ashmead)、黄腹长角金小蜂(Norbanus longifasciatus Girault)、栗瘿旋小蜂(Eupelmus urozonus Dalman)和具点刻腹小蜂(Ormyrus punctiger Westwood)都是同步卵型寄生蜂。纹黄枝瘿金小蜂、黄腹长角金小蜂和具点刻腹小蜂的卵都呈长卵圆形,略有弯曲,无卵柄;栗瘿旋小蜂的卵呈长卵圆形,具有管状的卵柄。饲喂紫云英能显著增加黄腹长角金小蜂、具点刻腹小蜂和栗瘿旋小蜂成熟卵的数量(P<0.05);并且饲喂紫云英对黄腹长角金小蜂和具点刻腹小蜂的寿命有所延长。饲喂油菜能显著增加黄腹长角金小蜂、具点刻腹小蜂和栗瘿旋小蜂成熟卵的数量(P<0.05),并且饲喂油菜能显著延长黄腹长角金小蜂的寿命(P<0.05)。紫云英和油菜均不能增加纹黄枝瘿金小蜂成熟卵的数量,并且缩短纹黄枝瘿金小蜂雌成虫的寿命。在早竹林生态系统中种植紫云英和油菜,有助于提高天敌的寄生效能,从而达到控害保益的目的。 相似文献
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Eight species of Pseudoligosita(Hymenoptera:Trichogrammatidae)from China are reviewed,including two new species:P.processa sp.nov.and P.qiluensis sp.nov.New distributional data for six species and a key to all the Chinese species of the genus are provided. 相似文献
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