Common sawfly vs Harmless Serotine

Fenusella hortulana compared with Eptesicus innoxius

Key Differences

• Common sawfly is Not Evaluated while Harmless Serotine is Near Threatened.

Taxonomic Classification

Rank	Common sawfly	Harmless Serotine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (artrópode)	Chordata (cordados)
Class	Insecta (inseto)	Mammalia (mamíferos)
Order	Hymenoptera (Ants, Bees & Wasps)	Chiroptera (morcego)
Family	Tenthredinidae	Vespertilionidae
Genus	Fenusella	Eptesicus
Species	Fenusella hortulana	Eptesicus innoxius

Evolutionary Relationship

Common sawfly and Harmless Serotine share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common sawfly

NE — Not Evaluated

Harmless Serotine

NT — Near Threatened

Physical Characteristics

Attribute	Common sawfly	Harmless Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common sawfly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (4 countries) and North America (Canada, United States).

Harmless Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Common sawfly

<em>Fenusella hortulana</em> is a small sawfly belonging to the order Hymenoptera and the family Tenthredinidae, a diverse group of plant-feeding insects commonly known as leaf-mining sawflies. This species is distributed across parts of Europe and North America, where it is typically associated with deciduous woodland edges, hedgerows, and gardens that support its host plants. Like other members of its genus, <em>Fenusella hortulana</em> typically undergoes complete metamorphosis, with larvae mining the leaves of woody plants, creating distinctive blotch or linear mines visible to observers. Adults are generally small and inconspicuous, resembling miniature wasps. The species has not been formally evaluated by the IUCN, and its global population status remains unknown. Biological traits for this species remain poorly documented in the scientific literature, including specific data on lifespan, body dimensions, weight, and detailed dietary preferences beyond general leaf-mining behavior. Conservation concern is currently low given its apparently stable presence across its range, though habitat degradation may affect local populations.