Morfología del sistema reproductor de la hembra de Comadia redtenbacheri (Hammerschmidt) (Lepidoptera: Cossidae). Morphology of the female reproductive system of Comadia redtenbacheri (Hammerschmidt)

Abstract

RESUMEN. Debido a su importancia económica y con la finalidad de profundizar en el conocimiento sobre la biología reproductiva del gusano rojo del maguey Comadia redtenbacheri (Hammerschmidt) (Lepidoptera: Cossidae), se determinó la morfología del sistema reproductor de la hembra de esta especie, el cual presenta en general las características básicas de otros Lepidoptera, con algunas particularidades específicas. La fecundidad potencial tuvo un valor promedio de 104 ovocitos por hembra. En la base de la bursa copulatrix se presentó un pequeño divertículo o lóbulo, y dentro de ella se encontró un solo espermatóforo. La espermateca presentó tanto un utrículo como una lagena. La porción glandular de las glándulas accesorias es inusualmente larga en comparación a otros Lepidoptera.ABSTRACT. Due to the economic significance of the agave red worm Comadia redtenbacheri (Hammerschmidt) (Lepidoptera: Cossidae), and with the objective of increasing the knowledge about its reproductive biology, the morphology of the female reproductive system was studied. In general, it is similar to that of other Lepidoptera, with a few differences. The average potential fecundity was 104 oocytes per female. A small diverticulum or lobe was present in the base of the bursa copulatrix; inside the bursa, a single spermatophore was found. The spermatheca has a utriculus and a lagena. The glandular portion of the accessory glands is unusually long compared with other Lepidoptera.

Adult population fluctuation of Comadia redtenbacheri (Hammerschmidt, 1847) (Lepidoptera: Cossidae)

“…Also, in Zeuzera pyrina (L., 1761) (Lepidoptera: Cossidae), Durán et al (2004) observed that males have greater mobility than females, whose voluminous abdomens limit their movement. Also, Ramírez-Cruz & Llanderal-Cázares (2015) reported that the female C. redtenbacheri is proovigenic and emerges with 104 mature ovocytes ready to be fertilized and oviposited, limiting its flight capacity. This is the characteristic that could have reduced female arrival in the traps.…”

“…(Ancona, 1931;Brown, 1975;Ramos-Elorduy et al 2011). Information exists on its biology and behaviour (Miranda-Perkins et al 2013;Llanderal et al 2017), associated organisms parasitoids (Zetina et al 2009(Zetina et al , 2012Zetina & Llanderal, 2014) and bacteria (Hernández-Flores et al 2015), reproduction (Ramírez-Cruz & Llanderal-Cázares, 2015), morphology of all its developmental stages (Castro-Torres & Llanderal-Cázares, 2015, adult emergence in laboratory (Miranda-Perkins et al 2016), cultivation by induced infestation in agaves (Delgado-Tejeda et al 2017;Espinosa-García et al 2018), bionomics (Llanderal-Cázares et al 2017) and molecular delineation (Cárdenas-Aquino et al 2018). However, the biology, behaviour, and ecology of adults has not been studied, and the abiotic factors (temperature, relative humidity and rainfall) that affect its emergence are unknown.…”

Bionomics of Comadia redtenbacheri (Hammerschmidt, 1847) (Lepidoptera: Cossidae)

“…The female lays the eggs in masses, and covers them with a brown secretion from the accessory glands, which are prominent and with a reservoir to store the secretion (Fig. 1b) (RAMÍREZ-CRUZ & LLANDERAL-CÁZARES, 2015). The secretion has a porous appearance under Scanning Electron Microscopy (Figs.…”