scholarly journals Host plant pubescence: Effect on silverleaf whitefly, Bemisia argentifolii, fourth instar and pharate adult dimensions and ecdysteroid titer fluctuations

2003 ◽  
Vol 3 (25) ◽  
pp. 1-8 ◽  
Author(s):  
Dale B. Gelman ◽  
Dan Gerling
1973 ◽  
Vol 105 (8) ◽  
pp. 1091-1099 ◽  
Author(s):  
I. D. Hodkinson

AbstractThe four larval instars and the pupa of Ptychoptera lenis lenis Osten Sacken are described. Instars 2 to 4 are very similar morphologically but instar 1 is markedly different. Both a pharate pupal and a pharate adult stage were observed. Larvae are found in stagnant marginal areas of ponds where water depth does not exceed 4 cm and where benthic deposits of plant detritus exceed 8 cm. Fourth instar larvae, under experimental conditions, survived up to 45 days without contact with atmospheric oxygen but development was arrested. P. lenis has a 1 year life cycle with an extended adult emergence season from late May to the end of July.


2008 ◽  
pp. 3377-3379
Author(s):  
John B. Heppner ◽  
David B. Richman ◽  
Steven E. Naranjo ◽  
Dale Habeck ◽  
Christopher Asaro ◽  
...  

EDIS ◽  
1969 ◽  
Vol 2002 (8) ◽  
Author(s):  
Heather J. McAuslane

This document is EENY-129, one of a series of Featured Creatures from the Entomology and Nematology Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. Published: April 2000. Revised: November 2002. https://edis.ifas.ufl.edu/in286


1996 ◽  
Vol 79 (1) ◽  
pp. 25-32 ◽  
Author(s):  
Elizabeth W. Davidson ◽  
Rufino B. R. Patron ◽  
Lawrence A. Lacey ◽  
Roger Frutos ◽  
Alain Vey ◽  
...  

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