Abstract
The spined stilt bug, Jalysus spinosus (Say), an egg and aphid predator, had the highest instantaneous rate of population growth (r) (0.116) at 29.5° and 32.3°C, but the total number of eggs laid was less at the higher temperature. The period of nymphal development ranged from ca. 12 days at high temperatures to more than 50 days at 15.9°C. Fed stilt bugs survived better at cool temperatures than starved stilt bugs and could be successfully stored for up to 130 days. Stilt bugs in diapause tolerated starvation bettter than those not in diapause.
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