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首页> 外文期刊>Journal of Economic Entomology >Pathogenicity of Zygosaccharomyces bailii and Other Yeast Species to Mexican Fruit Fly (Diptera:Tephritidae) and Mass Rearing Implications
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Pathogenicity of Zygosaccharomyces bailii and Other Yeast Species to Mexican Fruit Fly (Diptera:Tephritidae) and Mass Rearing Implications

机译：百硫代糖酵母和其他酵母种类对墨西哥果蝇的致病性（Diptera：Tepharritidae）和大规模饲养意义

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摘要

Yeasts from all immature life stages of Mexican fruit fly Anastrepha ludens (Loew) (Diptera:Tephritidae) from diet, insectary air, and rearing materials were isolated, identified and evaluated for pathogenicity. Fifteen species of yeasts with one to genus level were identified from 72 yeast cultures obtained. Zygosaccharomyces bailii was the only yeast found to be highly pathogenic to Mexican fruit fly. Seventy-two hours post inoculation, the diet in bioassay cups with Z bailii consistently showed signs of fermentation with gas bubbling causing the migration of larvae to the walls and lids of bioassay cups.The spent diet from Z. balii-infested cups was crusty, cracked and had a pasty layer. Many larvae were small, moribund, and discolored, appearing caramel or blackish. Insect yield loss with Z. bailii in comparison to that of control ranged from 10 to 44% for larvae and 14 to 47% for pupae. Additionally, Z. bailii caused a reduction in mean pupal weight. The weakly pathogenic yeasts produced significantly less yield of larvae and pupae than the nonpathogenic ones included Trichosporon montevideense, Clavispora lucitaniae, Candida sp., C. rugosa, and Rhodotorula mucilaginosa. Yield loss of larvae caused by this group ranged from 12 (C. lusitaniae) to 18% (R. mucilaginosa). Yield losses for pupa were similar to that of larvae.The mean pupa weight for these species was above the minimum acceptable (16.50 mg) for the SIT program. The nonpathogenic yeast produced yields of larvae and pupae similar to the control included Cryptococcus diffluens, Pichia kudriavzevii, Meyerozyma guilliermondii, Wickerhamomyces anomalus, Trichosporon asahii, Debaryomyces hansenii, Candida tropicalis, Cryptococcus sp., Candida parapsilosis, and Hanseniaspora opuntiae. In conclusion, the identification and management of insect pathogenic yeasts, such as Z. balii in mass rearing systems of Mexican fruit fly must be considered to avoid their potential negative effects.
机译：来自墨西哥果蝇Anastrepha Ludens（Loew）（Diptera：Tephritidae）的所有未成熟寿命的酵母被隔离，鉴定和评估致病性。从获得的72次酵母培养物中鉴定了十五种酵母，其中一对型水平均得到72种酵母培养物。 Zygosaccharomyces Bailii是唯一一个发现对墨西哥果蝇的高致病性的酵母。接种后七十二个小时，生物测定杯中的饮食与Z Bailii一致地显示出发酵的迹象，气泡导致幼虫迁移到生物测定杯的墙壁和盖子上。来自Z.Balii侵染杯的饮食花费饮食枯萎病，破裂并有一个糊状的层。许多幼虫小，奄奄一息，褪色，出现焦糖或黑色。与Z.Bailii的昆虫产量丧失与对照的控制范围为10％至44％，对于蛹的14至47％。另外，Z.Bailii导致平均蛹重量的降低。弱致病性酵母产生的幼虫和蛹的产量明显低于非对象的幼虫，包括Trichosporon MontevideSense，Clavispora lucitaniae，Candida Sp.，C.Rugosa和rhodotorula粘胺蛋白酶。该组引起的幼虫产量丧失范围从12（C. lusitaniae）到18％（R. mucilaginosa）。蛹的产量损失与幼虫的产量损失类似。这些物种的平均蛹重量高于SIT程序的最小可接受（16.50mg）。非遗传酵母产生的幼虫和蛹的产率类似于对照的含量含有Cryptococcus diffluens，Pichia Kudriavzevii，Meyerozyma Guilliermondii，WikeRhamomyces Anomalus，Trichosporon Asahii，Debaryomyces Hansenii，Candida Tropicalis，Cryptococcus sp。，Candida Paraperiss和Hanseniaspora opuntiae。总之，必须考虑昆虫致病酵母的鉴定和管理，例如墨西哥果蝇的大规模饲养系统中的Balii。避免其潜在的负面影响。

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