Ancylostomia stercorea

Ancylostomia stercorea · Order: Lepidoptera · Family: Crambidae

Damages trees, gardens or crops. The larvae damage pigeonpea crops by boring into the seed pods.

Source: Wikipedia

Ancylostomia stercorea
Photo: Michelle W. (鍾偉瑋), CC BY

Ancylostomia is a genus with a single snout-moth species, Ancylostomia stercorea, described in 1848. It occurs throughout southern Florida, southern Texas and many Caribbean and Central-South American islands and countries. The caterpillars feed inside the seed cavities of pigeonpea and related legumes, harming those crops.

Source: Wikipedia

How to recognize it

Ancylostomia is a monotypic genus of snout moths.

Source: Wikipedia

What it eats

Larvae feed on pigeonpea (Cajanus cajan) and on species of Cicer and Dolichos, boring into the seed cavity of the host plant.

Source: Wikipedia

When you see it

Adults can be found flying throughout the entire year.

Source: Wikipedia

Where it comes from

Its native range includes southern Florida and southern Texas in the United States, plus many Caribbean islands and parts of Central and South America.

Source: Wikipedia

Where it is found in the US

Recorded in 5 of 51 states and DC. Most records: Texas, Louisiana, Florida, Mississippi, Arkansas.

Darker = more records. Counts are museum and citizen-science records, not population size.

Source: GBIF

Status: native in United States. Source: iNaturalist

Months it is reported in the US

JFMAMJJASOND

Source: GBIF

More photos

Questions people ask

What crops does Ancylostomia stercorea damage?

Its larvae bore into pigeonpea pods and also feed on Cicer and Dolichos species, harming those legume crops.

Source: Wikipedia

When are adult moths active?

Adult moths are on the wing year round.

Source: Wikipedia

Same family (Crambidae)

Sources

  • Wikipedia: https://en.wikipedia.org/wiki/Ancylostomia

Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia

Text written 2026-10-29 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-29.

How this page works

This is one bug's fact sheet. The colored box at the top says whether it is dangerous. Sections below cover how to recognize it, whether it is a pest, and how to deal with it. The US map shows which states have records; tap a state to see other bugs there.

Every fact on Bug FAQ comes from a named source (university extension sites, government agencies, GBIF, iNaturalist, Wikipedia). The source is linked next to each section. If we have no source for something, we leave it out.