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3 May 2024 EGGS OF MONARCH BUTTERFLIES (DANAUS PLEXIPPUS) AND QUEEN BUTTERFLIES (DANAUS GILIPPUS) IN NORTHERN TEXAS CANNOT BE DISTINGUISHED IN THE FIELD BASED ON EXTERNAL MORPHOLOGY
Alyx R. Scott, Jeffrey G. Kopachena
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Abstract

We used high-resolution imagery in an attempt to distinguish between the eggs of monarch butterflies (Danaus plexippus) and queen butterflies (Danaus gilippus). We found complete overlap in egg proportions and the number of longitudinal ribs for the two species. Geographic variation is possible, but researchers using egg proportions to identify these species need to quantitatively verify the validity of this technique for the population under study.

Utilizamos imágenes de alta resolución para distinguir entre huevos de mariposa monarca (Danaus plexippus) y mariposa reina (Danaus gilippus). La proporción de los huevos de ambas especies y las líneas transversales coinciden completamente. A pesar de que la variación geográfica es posible, investigadores que utilizan la proporción de huevos para identificar estas especies necesitan verificar cuantitativamente la validez de esta técnica en la población bajo estudio.

Alyx R. Scott and Jeffrey G. Kopachena "EGGS OF MONARCH BUTTERFLIES (DANAUS PLEXIPPUS) AND QUEEN BUTTERFLIES (DANAUS GILIPPUS) IN NORTHERN TEXAS CANNOT BE DISTINGUISHED IN THE FIELD BASED ON EXTERNAL MORPHOLOGY," The Southwestern Naturalist 68(1), 62-65, (3 May 2024). https://doi.org/10.1894/0038-4909-68.1.62
Received: 28 February 2023; Accepted: 25 October 2023; Published: 3 May 2024
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