An online resource based on the award-winning nature guide

Insects in Winter

Carpenter Bees Hibernating

email-carpenter bee holes IMG_1408If your home, shed or barn has weathered, unpainted wood and is riddled with ½”-diameter, perfectly round holes, there is a chance that carpenter bees are hibernating in them. Carpenter bees resemble bumblebees in both size and appearance (a carpenter bee has very few hairs on the top of its abdomen, which appears black and shiny, whereas bumble bee abdomens are often yellow and hairy), but they are not social insects. Instead of having a common nest in which they live and raise their young, carpenter bees drill  holes in wooden structures or trees inside of which they chew tunnels that contain six to eight brood chambers for their young. After creating the chambers, the female carpenter bee places a portion of “bee bread” (a mixture of pollen and regurgitated nectar) in each one. On top of each pile of food she lays an egg and then seals off the chamber. The larvae eat and grow, pupate and emerge as adult bees in late summer. At this point they feed on nectar, pollinating a wide variety of flowers before they return to their tunnels to over-winter.

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Where Do Grasshoppers Go In Winter?

1-19-17-red-legged-grasshopper2-img_4112Everyone knows that grasshoppers disappear once cold weather arrives. Where do they go and what is their strategy for surviving the winter?  Most grasshoppers overwinter as eggs.  They mate, lay eggs and die in the fall. The female Red-legged Grasshopper, New England’s most abundant species of grasshopper, deposits clusters of eggs one to two inches deep in the soil in the late summer and early fall. During this process, a glue-like secretion cements soil particles around the egg mass, forming a protective “pod.” Each pod is roughly three-quarters to one-inch long and curved. The top third is dried froth, the bottom two-thirds contain 20 to 26 eggs. Each egg is just over 1/10th of an inch long and pale yellow.

In the spring, nymphs hatch out of the eggs, crawl up to the surface of the soil and start to feed on grasses and other herbaceous plants. It takes about three months for them to mature and begin the cycle all over again. (Photo: gravid female Red-legged Grasshopper  in late summer)

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