Biología del Trips Frankliniella Occidentalis (Pegande) (Thysanoptera: thripidae) sobre Crisantemo Chrysanthemum morifolium l. bajo condiciones de laboratorio
Developmentaland reproductive biology of Frankliniella Occidentslis (Pegande) (Thysanoptera: thripidae) on Chrysanthemum
Keywords:
trips frankliniella occidentalis, pegande, thysanoptera, crisantemo, chrysanthemum morifolium, biología, laboratorio (es)Downloads
Sabana de Bogotá. Se estudió su biología bajo condiciones de laboratorio (24,31 ± 2,50C y 66,36 ± 12% H.R.). El rango de
duración en días de su ciclo de vida fue: huevo 4-5, ninfa de primer instar 3-4, ninfa de segundo instar 5-8, prepupa 4-6, pupa 3-5 y los adultos alcanzaron una longevidad entre 60 y 121 días. Esta especie presentó partenogénesis de tipo arrenotoquia; de las hembras fecundadas se obtuvo una generación
de 87,5% hembras y 12% machos. La fecundidad por partenogénesis fue de 325,7 huevos por hembra y la sexual de
303,1 huevos por hembra.
We studied its biology under lab conditions (24 ± 2.50C and 66 ± 12% R.H.). Its life cycle was egg 4-5 days, first instar nymph 3-4 days, second instar nymph 5-3 day prepupa 4-6 days, pupa 3-5 days and the adults had a longevity between 60 and 121
days. Females reproduce by parthenogenesis (Arrhenotoky) in the absence of males. Fertilized females produced 87.5% females and 12% males. Fecundity of parthenogenetic females was 325.7 eggs per female. Fecundity of sexually reproduced females was 303.1 eggs per female.
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