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Emperature Effects on Predation by Cryptolaemus montrouzieri

By Priyanka Choudhary

Emperature Effects on Predation by Cryptolaemus montrouzieri

By Priyanka Choudhary

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Description
The present investigation on " Biology and predatory potential of Australianladybird beetle Cryptolaemus montrouzieri Mulsant on mealybugs at differenttemperature level" were carried out at laboratory experiment, Department ofEntomology, College of Agriculture, VNMKV Parbhani during 2024-25.The study on biology of C. montrouzieri on third instar nymphs of mealybugs, i.e. Paracoccus marginatus and Ferrisia virgata under laboratory conditionsrevealed that mean incubation, larval, pupal and total development period of C.montrouzieri, when reared on P. marginatus (2.58, 11.94, 4.56 and 20.9, respectively)was shorter than those reared on F. virgata (4.09, 15.17, 5.83 and 27.92, respectively).An average of 89.00, 75.00 and 75.33 per cent egg hatched, larvae pupated and adultemergence were recorded on P. marginatus whereas, 82.00, 71.00 and 60.00 per centon F. virgata, respectively. The growth index and fecundity of C. montrouzieri wassignificantly higher on P. marginatus (6.28 and 320.10 eggs/female) than on F.virgata (4.68 and 216.20 eggs/female). Average adult longevity was found to be 42.17and 48.57 days in male and female beetles of C. montrouzieri on P. marginatus.
Product details
Binding:
Paperback
Number of Pages:
136
Release Date:
2025-12-18
Publication Date:
2025-12-18
Publisher:
LAP LAMBERT Academic Publishing
Languages:
Original: English
ISBN10:
6209298265
ISBN13:
9786209298264
Weight:
221 g
Height:
150 cm
Width:
220 cm
Thickness:
9 cm
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