alderfly-fi

Alderflies

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Classification Order: Megaloptera; Family: Sialidae; Subfamily: Sialinae; Genus: Sialis. Lifecycle All alderflies have a lifecycle that includes a complete metamorphosis with only the larval stage being aquatic. Commonly, in late spring and early summer (May/June for species Sialis lutaria and S. fuliginosa, S. mohri and S. vegans) adults can … Continue reading