Neoleucinodes

Capps, 1948

Species Guides

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Neoleucinodes is a of snout moths in the Spilomelinae, Crambidae. The genus was established by H.W. Capps in 1948 as a Neotropical split from the Old World genus Leucinodes. It contains at least nine described distributed across the Neotropics. The genus is best known for N. elegantalis, a major agricultural pest of Solanaceae crops including tomato, eggplant, and naranjilla.

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Pronunciation

How to pronounce Neoleucinodes: /ˈnɛoʊljuːˈsɪnoʊdiːz/

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Identification

Distinguished from the Old World Leucinodes by genitalic characters established by Capps (1948). -level identification requires examination of male and female genitalia, particularly the structure of the ostium bursae, cornuti length, and seventh abdominal segment measurements. N. elegantalis shows -associated genitalic differentiation, with individuals from Solanum betaceum having larger ostium bursae in females and longer cornuti in males compared to those from S. quitoense.

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Habitat

Neotropical regions; agricultural and natural with Solanaceae plants. N. elegantalis occurs in tomato fields, naranjilla plantations in tropical old-growth forest areas, and other Solanaceae cropping systems.

Distribution

Neotropical distribution. N. elegantalis: widespread across South America (Argentina, Bolivia, Brazil, Colombia, Ecuador including Galápagos Islands, Guyana, Paraguay, Peru, Suriname, Uruguay, Venezuela), Central America ( Rica, Guatemala, Honduras, Panama), Caribbean (Cuba, Grenada, Jamaica, Trinidad and Tobago), and Mexico. Other : N. galapagensis to Galápagos Islands; remaining species distributed across Central and South America.

Host Associations

  • Solanum lycopersicum - tomato; primary for N. elegantalis
  • Solanum melongena - eggplant
  • Solanum quitoense - naranjilla; highest diversity recorded on this
  • Solanum betaceum - tree tomato; -associated genitalic differentiation documented
  • Capsicum annuum - pepper
  • Solanum gilo - higher larval growth rate than on tomato

Ecological Role

Agricultural pest ; N. elegantalis is a significant pest of Solanaceae fruits causing direct damage to marketable produce. Serves as for diverse including parasitoids (Trichogramma spp.), larval parasitoids (Copidosoma spp., Apanteles spp., Bracon spp., Chelonus spp., Lixophaga spp.), and pupal parasitoids (Conura spp., Pimpla sanguinipes, Brachymeria spp., Trichospilus diatraea).

Human Relevance

N. elegantalis causes substantial economic losses in tomato, eggplant, naranjilla, and pepper production across the Neotropics. Management relies on combining monitoring, (Trichogramma pretiosum, T. galloi, Bacillus thuringiensis), cultural practices (fruit bagging), and reduced use. The has evolved races with reproductive incompatibility, complicating management strategies.

Similar Taxa

  • LeucinodesOld World sister from which Neoleucinodes was split; distinguished by genitalic and geographic distribution
  • Crambidae (other Spilomelinae)Similar general ; requires genitalic examination for definitive identification

Sources and further reading