Association of Climatic Factors on Population Dynamics of Leaf Roller, Diaphania pulverulentalis Hampson (Lepidoptera: Pyralidae) in Mulberry Plantations of Sericulture Seed Farm

Table 1

Leaf roller infestation during different months (percentage).

Years	April	May	June	July	Aug.	Sept.	Oct.	Nov.	Dec.	Jan	Feb.	Mar.	Range of infestation
2008-09	0.56	12.45	32.56	38.56	31.78	39.56	38.45	12.78	17.86	04.3	0	0	0.56–39.56
2009-10	0.36	16.45	32.66	39.46	35.78	40.16	39.35	11.78	06.76	02.3	0	0	0.36–40.16
2010-11	6.56	12.15	31.26	39.23	31.12	38.56	37.45	14.78	28.86	05.2	0	0	05.2–39.23
Average	2.49	13.68	32.20	39.08	32.89	39.43	38.42	13.11	17.83	03.93	0	0	2.49–39.43