Megaloptera25 species

Family Alderflies (Sialidae)

Sialidae is a family in the order Megaloptera. Browse 25 named species recorded in this family, or open an individual profile for its available identification and natural-history information.

Species in Sialidae (25)

Sialis rotunda

Identification: Larvae are distinguished from other western species by the pale dorsal stripe on the abdomen.

Protosialis americana

Protosialis glabella

Sialis aequalis

Sialis californica

Sialis fuliginosa

Sialis hamata

Sialis hasta

Sialis infumata

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Sialis iola 0

Sialis iola

Sialis itasca

Sialis joppa

Sialis koreana

Common Alderfly

Sialis lutaria

Sialis melania

Sialis mohri

Sialis morio

Sialis nevadensis

scarce alderfly

Sialis nigripes