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n. pl pre·pu·pae (-pē) or pre·pu·pas
A larval insect in the stage just preceding pupation.

pre·pu′pal adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Zoology) of the period between the larval and pupal stages
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.prepupal - of an inactive stage in the development of some insects, between the larval and the pupal stages; "the prepupal stage"
immature - not yet mature
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References in periodicals archive ?
On the other hand, the immatures that are destined to develop as males construct a loosely-woven silky filamentous cocoon after the second moult and undergo two moultings inside the cocoon with prepupal and pupal stages, before emerging as winged adults (Dhawan et al., 2007; Vennila et al., 2010; Prasad et al., 2012; Fand et al., 2014).
Diet Greene Stage Viability Duration (X [+ or -] SD) Egg 30.98 3.79 [+ or -] 0.46 * Larval 24.00 22.79 [+ or -] 4.36 * Prepupal 100.00 4.18 [+ or -] 2.01 * Pupal 75.00 9.83 [+ or -] 2.75 Adult -- 14.65 [+ or -] 2.27 * Overall 5.57 55.24 Diet Poitout & Bues Stage Viability Duration (X [+ or -] SD) Egg 80.32 3.17 [+ or -] 0.37 Larval 97.00 19.00 [+ or -] 2.16 Prepupal 99.48 2.75 [+ or -] 0.78 Pupal 100.00 8.97 [+ or -] 1.86 Adult -- 15.92 [+ or -] 1.55 Overall 77.51 49.81 * Significance by the Wilcoxon test at the 5% probability level.
The life cycle of the male includes 4 nymphal stages, of which the 3rd instar is considered the prepupal stage and the 4th instar the pupal stage; followed by the fully developed adult (Borges da Silva et al.
Part VI: Descriptions of the fifth instar and prepupal larval stages of Stethon pectorosus LeConte, 1866 (Coleoptera: Eucnemidae: Eucneminae: Mesogenini), with notes on their biology.
At the prepupal stage, dry autoclaved sawdust was added to the Petri dish as a medium for pupation.
The prepupal and planerocephalic stages of metamorphosis were recorded, and head eversion is the boundary between the two stages.
externa were maintained at 15, 20, 25 or 30[degrees]C under 70% relative humidity and 12 h photophase, and the duration of the embryonic stage, as well as the duration and viability of the larval (first, second and third instars), prepupal, pupal and adult forms of the predator were evaluated.
At the end of the larval phase, the larvae have a quiescent prepupal phase, which lasted about two days, and afterward they entered in the pupal stage.
After the fourth molt (males) or fifth molt (females), larvae drop to the soil and spin cocoons, enter prepupal diapause (Knerer and Atwood, 1973), then pupate, and remain buried until autumn (McGregor and Sandin, 1968).