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首页> 外文期刊>Mycologia >Harpellales: generic confusion due to precocious development.
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Harpellales: generic confusion due to precocious development.

机译：Harpellales：由于过早发育而引起的普遍混乱。

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摘要

The 2 genera of Harpellales (Trichomycetes) found most frequently in Chironomidae larvae, namely Smittium in the hindgut and Stachylina in the midgut, are easily distinguished in most instances. However, cases are reported in which Smittium trichospores extrude prematurely as they pass through the midgut, with the sporangiospore attaching to the peritrophic membrane and thereby leading to very limited thallic growth that resembles an immature Stachylina thallus. This development appears to be common in Smittium longisporum and S. perforatum (based on studies of Orthocladius larvae in Kansas, USA, and Diamesa larvae in Colorado), and may occur less frequently in some other species of Smittium. Methods to identify such "false" Stachylina thalli arediscussed.
机译：在Chironomidae幼虫中最常发现的Harpellales（Trichomycetes）2属，即后肠中的Smittium和中肠中的Stachylina，在大多数情况下很容易区分。然而，据报道，当Smittium trichospores通过中肠时过早挤出，孢子囊附着在营养膜上，从而导致类似于未成熟Stachylina thallus的拟南芥生长非常有限。这种发展似乎在Smittium longisporum和S.perforatum中很常见（根据美国堪萨斯州的Orthocladius幼虫和科罗拉多州的Diamesa幼虫的研究），并且在某些其他Smittium物种中发生的频率可能较低。讨论了识别这种“假”拟南芥的方法。

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