Monoptilota

Monoptilota is a genus of snout moths. It was described by George Duryea Hulst in 1900. It contains only one species, the lima-bean vine borer moth (Monoptilota pergratialis),[1] which is found in the central and south-eastern parts of the United States.[3]

Monoptilota
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Pyralidae
Genus:
Monoptilota

Species:
M. pergratialis
Binomial name
Monoptilota pergratialis
(Hulst, 1886)
Synonyms
  • Nephopteryx pergratialis Hulst, 1886
  • Monoptilota nubilella Hulst, 1900
  • Nephopteryx grotella Ragonot, 1887

The wingspan is 21–23 mm. Adults are brownish gray with whitish scales on the edge and across the end of the forewings. These are marked with small black streaks and are black along the veins. The hindwings of the males are white, while those of the females are grayish. There are three generations per year in North Carolina.

The larvae have been recorded on Phaseolus lunatus, snap bean, Vigna unguiculata and Dahlia species. Young larvae feed on the leaves of their host. Older larvae bore into stems and hollow out cavities, resulting in galls. Silky frass tubes are attached to the entrance holes on the galls. The species overwinters in the prepupal stage on or near the soil surface. Larvae can be found from May to October.

References
  1. Nuss, M.; et al. (2003–2011). "GlobIZ search". Global Information System on Pyraloidea. Retrieved October 7, 2011.
  2. "800522.00 – 5736 – Monoptilota pergratialis – Lima-bean Vine Borer Moth – (Hulst, 1886)". North American Moth Photographers Group. Mississippi State University. Retrieved August 11, 2019.
  3. "Limabean Vine Borer". Ipm.ncsu.edu. Retrieved October 7, 2011.


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