Table 5.

Half-life for chitin samples extracted from Vespa velutina at different temperatures.

T (°C)	Time (years)
20	285
30	61
40	14
50	4
60	1
70	0.3 (110 days)
80	0.1 (37 days)
90	0.03 (12 days)
100	0.01 (5 days)