Aneugmenus

Hartig, 1837

Species Guides

Aneugmenus flavipes

Aneugmenus is a of in the Tenthredinidae. The genus includes at least eight described distributed across the Holarctic and Neotropical regions. One species, Aneugmenus merida, has been studied in detail in the Venezuelan Andes, where it exhibits and specialized herbivory on bracken ferns.

Aneugmenus japonicus by the Smithsonian. Used under a CC0 license.

Aneugmenus diversicolor by the Smithsonian. Used under a CC0 license.

Pronunciation

How to pronounce Aneugmenus: /æn.juːgˈmiː.nəs/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Images

Distribution

Holarctic and Neotropical regions. Specific distribution records include Denmark, Norway, Sweden, Vermont (USA), and the Venezuelan Andes (Cerro La Bandera, La Hechicera, Mérida).

Seasonality

For Aneugmenus merida in the Venezuelan Andes: appear April–May, decline during the July–August dry season, and reappear September–November.

More Details

Parthenogenesis in Aneugmenus merida

Aneugmenus merida exhibits arrhenotokous : virgin females produce unfertilized that develop only into males. All 12 reared in laboratory conditions were male.

Host plant specialization

Aneugmenus merida larvae feed on bracken fern fronds (Pteridium caudatum and Pteridium arachnoideum), an plant with chemical defenses that limit most herbivores.