Immature stages of Gnophothrips fuscus and methods for distinguishing its adults from those of Leptothrips pini (Thysanoptera: Phlaeothripidae)

Immature stages of the slash pine flower thrips, Gnophothrips fuscus (Morgan) (Thysanoptera: Phlaeothripidae) are described for the first time, based on light and scanning electron microscopy. The chorion of the egg has a reticulate sculpturing anteriorly that may be diagnostic for the species. The...

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Bibliographic Details
Published in:The Florida entomologist 1985-12, Vol.68 (4), p.594-608
Main Authors: Ranasinghe, M.A.S.K, Denmark, H.A, Wilkinson, R.C
Format: Article
Language:English
Subjects:
Abdomen
Entomology
Exoskeletons
FLORIDA
FLORIDE
HABITAT
HABITATS
Immatures
Insect antennae
Insect eggs
Insect larvae
LARVAE
LARVAS
LARVE
Phlaeothripidae
PINUS ELLIOTTII
Pupae
Sensilla
Spiracles
TAXONOMIA
TAXONOMIE
TAXONOMY
THYSANOPTERA
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Description
Summary:Immature stages of the slash pine flower thrips, Gnophothrips fuscus (Morgan) (Thysanoptera: Phlaeothripidae) are described for the first time, based on light and scanning electron microscopy. The chorion of the egg has a reticulate sculpturing anteriorly that may be diagnostic for the species. The other stages differ from one another in antennal structure and chaetotaxy. A key to larvae, prepupae, and pupae is presented. Some morphological and behavioral differences between adults of G. fuscus and the similar-looking Leptothrips pini (Watson) (Thysanoptera: Phlaeothripidae] are given. /// Se describen por primera vez etapas inmaduras de Gnophothrips fuscus (Morgan) (Thysanoptera: Phlaeothripidae), basados en microscopía de luz y electrónicas. El corión del huevo tiene una escultura reticular anterior que pudiera ser diagnóstico de esta especie. Las otras etapas se diferencian de una a otra en la estructura de las antenas y en "chaeotaxy". Se presenta una clave de larvas, pre-pupas, y pupas. Se dan algunas diferencias morfológicas y de comportamiento entre adultos de G. fuscus y del parecido Leptothrips pini (Watson).
ISSN:0015-4040
1938-5102
DOI:10.2307/3494861