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Size variation of trichospores of Harpella melusinae in larval black flies

机译:幼虫黑色蝇中Harpella melusinae的孢子孢子大小变化

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摘要

Trichospores of Harpella melusinae in larval black flies from four streams in northwestern South Carolina were measured. The longest fresh trichospore was 242 pm, 38% longer than the reported rnaximum length of trichospores for this species. After staining with lactophenol cotton blue, trichospore length was significantly reduced by up to 24.4% in fresh larvae and up to 4.9% in fixed larvae. Mean trichospore length differed significantly between seasons and between sampling sites but did not differ significantly between middle and final instars. Trichospore length correlated significantly with host size. We suggest that taxonomic descriptions of trichomycetes should include measurements of fresh, fixed and stained trichospores.
机译:测量了来自南卡罗来纳州西北部四条溪流中幼虫黑蝇中的Harpella melusinae的孢子孢子。最长的新鲜毛囊孢子为242 pm,比报道的该物种的毛囊孢子长度长38%。用乳酚棉蓝染色后,新鲜幼虫的线粒体长度显着减少了多达24.4%,固定幼虫的减少了4.9%。在各个季节之间和采样点之间,平均孢子长度有显着差异,但在中龄和末龄之间,平均丝状孢子长度没有显着差异。毛孢子长度与宿主大小显着相关。我们建议,对毛癣菌的分类学描述应包括新鲜,固定和染色的毛孢子的测量。

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