Mexican rice borer - Hodges#5493
Eoreuma loftini
This record describes Eoreuma loftini (species). Recorded family: Crambidae. Recorded order: Lepidoptera.
Identification and Appearance

Apex of fore wing acute; whitish straw-color, the veins light, edged on each side by a line of fine brown scales, which diffuse in the interspaces ; a small black discal dot ; a row of terminal black dots in the interspaces, connected by a slender line; fringe interlined with brown. (Dyar, 1917) see key Eoreuma loftini is considered a major pest of sugarcane, rice, and other grass crops Texas, Louisiana and Mexico. Louisiana State University AgCenter PDF There are many online references with information on the pest status.
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Lepidoptera (Butterflies and Moths)
- Superfamily
- Pyraloidea
- Family
- Crambidae (Crambid Snout Moths)
- Subfamily
- Crambinae
- Tribe
- Haimbachiini
- Genus
- Eoreuma
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Geographic Range
Florida to California; south to Central America. , First recorded in Florida on 23 March 2012, in Goethe State Forest, Levy County.
Seasonal Activity
The adults are most common during the months of April to October. ( 3 )
Diet and Behavior
Diet: The larvae feed on various members of Poaceae including Saccharum (sugar cane), Triticum (wheat), Oryza (rice), Zea (corn and milo), Hordeum (barley), and members of Cannaceae including Canna .
About Butterflies and Moths: the wider group
Order-level background for Lepidoptera, the group containing Eoreuma loftini. Species-specific details appear above.
Group overview
Lepidoptera includes approximately 180,000 described species of butterflies and moths. Moths outnumber butterflies roughly 10:1. The monarch butterfly's eastern population has declined by more than 80% since the mid-1990s, and the western population by over 95% since the 1980s. The IUCN lists the migratory monarch as Vulnerable.
Ecological role of the group
Butterflies and moths are essential indicators of ecosystem health. As caterpillars, they are a primary food source for birds - a single nest of blue tit chicks requires ~10,000 caterpillars. Adult moths pollinate many night-blooming plants.
Economic and practical significance of the group
Lepidoptera are critical pollinators. In Europe, grassland butterfly species have declined by almost 50% since the early 1990s. In the UK, three-quarters of butterflies are in decline. In the U.S., five butterfly species have gone extinct since 1950, with 29 listed as endangered.
Recorded sources for this group: IUCN Red List, Xerces Society, USFWS, PNAS, WWF. Imported estimates may describe particular regions or reporting periods.
Photos of Mexican rice borer - Hodges#5493 (5)
Photo credits: Contributed by Maury J. Heiman; Additional contributions by Steve Nanz
Frequently Asked Questions About Mexican rice borer - Hodges#5493
What is Mexican rice borer - Hodges#5493?
Mexican rice borer - Hodges#5493 (Eoreuma loftini) is a species in the family Crambidae, within the order Lepidoptera.
How big is Mexican rice borer - Hodges#5493?
Powell & Opler reported the forewing length as 10-13 mm. WS ( Chilo loftini ): 23 mm (Dyar, 1917) WS ( Chilo opinionellus ): 16 mm (Dyar, 1917)
How do you identify Mexican rice borer - Hodges#5493?
Apex of fore wing acute; whitish straw-color, the veins light, edged on each side by a line of fine brown scales, which diffuse in the interspaces ; a small black discal dot ; a row of terminal black dots in the interspaces, connected by a slender line; fringe interlined with brown. (Dyar, 1917) see key
Where is Mexican rice borer - Hodges#5493 found?
Range: Florida to California; south to Central America. , First recorded in Florida on 23 March 2012, in Goethe State Forest, Levy County.
What does Mexican rice borer - Hodges#5493 eat?
The diet of the Mexican rice borer - Hodges#5493 includes The larvae feed on various members of Poaceae including Saccharum (sugar cane), Triticum (wheat), Oryza (rice), Zea (corn and milo), Hordeum (barley), and members of Cannaceae including Canna ..
When is Mexican rice borer - Hodges#5493 active?
Mexican rice borer - Hodges#5493: seasonal activity - The adults are most common during the months of April to October. ( 3 ).
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