Ephestiodes

Ragonot, 1887

snout moths

Species Guides

5

Ephestiodes is a of snout moths in the Pyralidae, described by Émile Louis Ragonot in 1887. The genus includes approximately eight described , with Ephestiodes gilvescentella (dusky raisin ) being the most frequently encountered and well-documented. Species in this genus are primarily found in North America and are commonly attracted to ultraviolet light during surveys.

Ephestiodes infimella by (c) Nick Block, some rights reserved (CC BY), uploaded by Nick Block. Used under a CC-BY license.Ephestiodes gilvescentella by no rights reserved, uploaded by Jesse Rorabaugh. Used under a CC0 license.Ephestiodes gilvescentella by (c) Annika Lindqvist, some rights reserved (CC BY), uploaded by Annika Lindqvist. Used under a CC-BY license.

Pronunciation

How to pronounce Ephestiodes: /ˌɛfɛstiˈoʊdiːz/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Members of Ephestiodes can be recognized as small pyralid moths with the characteristic snout-like projection formed by elongated labial palps typical of the . -level identification requires examination of genitalia and wing pattern details. Ephestiodes gilvescentella is distinguished by its dusky, grayish-brown coloration and association with dried fruit and nut .

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Habitat

include areas where dried fruits, nuts, and stored food products occur. Ephestiodes gilvescentella has been recorded in urban and suburban environments, particularly where raisins, prunes, walnuts, and similar materials are present. The also occurs in natural settings including montane regions (E. monticolus) and various North American localities from California to British Columbia.

Distribution

North America, with records from California, Arizona, Oklahoma, Utah, Montana, Alberta, and British Columbia. The shows highest abundance in the western United States, particularly in the Central Valley of California where E. gilvescentella has been described as "the most common in Davis."

Seasonality

are active during summer months, with peak abundance in July and August. Blacklighting records from Davis, California indicate consistent presence during late summer evenings.

Diet

Larvae feed on dried fruits (raisins, prunes), nuts (walnuts), yeast, and related stored organic materials. The "dusky raisin " for E. gilvescentella reflects this specialized feeding habit.

Behavior

are and strongly attracted to ultraviolet light. They are frequently collected at blacklighting stations. activity occurs during evening hours, with peak visitation to light traps between approximately 9:15 p.m. and 11 p.m.

Human Relevance

Ephestiodes gilvescentella is a minor pest of stored dried fruits and nuts. It is not considered a major agricultural pest but may cause damage to stored raisins, prunes, and walnuts. The is commonly encountered in domestic settings and during surveys, serving as an for insect diversity assessments.

Similar Taxa

  • CadraAlso in Pyralidae with similar size and habit of infesting stored products; distinguished by wing pattern and genitalia
  • PlodiaRelated pyralid containing stored product pests; differs in wing pattern and larval habits

More Details

Taxonomic history

The was established by Ragonot in 1887 with E. erythrella as the type . Additional species were described by Heinrich (1956), Dyar (1908, 1914), and Neunzig (1990).

Research significance

Ephestiodes gilvescentella has been extensively documented by entomologist John De Benedictis during 37 years of blacklighting surveys in California, contributing to long-term biodiversity monitoring datasets.

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Sources and further reading