Gold-marked Thread-waisted Wasp

Eremnophila aureonotata

Eremnophila aureonotata, also known as the gold-marked thread-waisted wasp, is a species in the family Sphecidae found in North and South America. Their coloration is black with 2 pairs gold patches of setae one on the side of their thorax and one on the propodeum. Adults drink nectar while larvae feed on caterpillars. Females dig vertical burrows in sand or hard-packed loam to lay eggs in and provision the nests with a single caterpillar. Source

Where is the Gold-marked Thread-waisted Wasp now?

In the last 8 weeks it was recorded 10 times across 2 areas (each area is a 5 degree square).

See the Gold-marked Thread-waisted Wasp on the live map

When does the Gold-marked Thread-waisted Wasp arrive?

The week it was first heard regularly in each region, after at least six weeks away. Dates differ from south to north, so a region has a range.

Download every area as CSV · Review these arrival dates (researchers, ORCID sign-in)

Arriving at the same time in North America

• Ruby-Throated Hummingbird Archilochus colubris
• Red Crossbill Loxia curvirostra
• Mississippi Kite Ictinia mississippiensis
• Semipalmated Plover Charadrius semipalmatus
• Eastern Narrow-mouthed Toad Gastrophryne carolinensis
• Cooper's Hawk Accipiter cooperii
• Sedge Wren Cistothorus stellaris
• Peregrine Falcon Falco peregrinus

Every arrival in North America, month by month

Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured · How it compares with human observers