Nausigaster

Williston, 1884

Species Guides

Nausigaster curvinervis
Nausigaster geminata(Armored Dimpleback)
Nausigaster punctulata(Spot-winged Dimpleback)
Nausigaster scutellaris(Plain-winged Dimpleback)
Nausigaster texana(Silver Dimpleback)
Nausigaster unimaculata(Single-spotted Dimpleback)

Nausigaster is a of hoverflies (Syrphidae) to the New World, containing approximately 15 described . The genus was established by Williston in 1884. Larvae have been documented developing in decaying cacti and bromeliads, suggesting a specialized association with these plant substrates. records span from Argentina to Mexico, with recent collections extending known distributions in Colombia and Argentina.

Nausigaster chrysidiformis by the Smithsonian. Used under a CC0 license.

Pronunciation

How to pronounce Nausigaster: //naʊ.sɪˈɡæstər//

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Images

Habitat

Tropical dry forest; Monte and Chaco Phytogeographical Provinces. Larval specifically includes decaying cacti and bromeliads.

Distribution

New World . Documented from Argentina (Mendoza, Jujuy, La Rioja provinces), Brazil, Colombia (Ecoreserva La Tribuna, 481 m elevation), Mexico, Paraguay, and Venezuela.

Host Associations

cacti - larval development substratedecaying tissues
bromeliads - larval development substratedecaying tissues

Life Cycle

Larval stage develops in decaying plant material; specific details of other life stages not documented.

More Details

Collection Methods

have been collected using in tropical dry forest settings.

Taxonomic Notes

First record of the from Argentina since 1892; N. meridionalis represents the first Colombian record with precise geographic data.