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Delta pyriforme · Order: Hymenoptera · Family: Eumenidae
Male Delta pyriforme have a yellow labrum and clypeus that stand out against their brown bodies. They also show a yellow pronotum and lack the yellow band on the petiole that other Delta species have. The species is found throughout Asia.
Source: Wikipedia
How to recognize it
Males display a yellow labrum and clypeus contrasting with a brown body. They have a yellow pronotum and no yellow band on the petiole, unlike Delta esuriens.
Source: Wikipedia
Where it lives
Delta pyriforme occurs across the Asian region.
Source: Wikipedia
Where it comes from
Its distribution is across Asia.
Source: Wikipedia
Lookalikes
It shares a yellow pronotum with some relatives but can be told apart by the missing yellow petiole band. Delta conoideum, a similar species, does not have yellow on the thorax.
Source: Wikipedia
Where it is found in the US
Recorded in 1 of 51 states and DC. Most records: Hawaii.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: introduced in United States. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Same family (Eumenidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Delta_pyriforme
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-23 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-22.