When temperatures drop through winter they hibernate and often come indoors to seek warmth and shelter.
**2 ladybugs on blue flower | Landscapes | Ladybug, Beautiful bugs, Bugs, insects
There are three types of ladybug you are likely to see in your garden: Red and black are helpful predatory beetles Metallic blue are helpful predatory beetles Yellow and black are unhelpful beetles as they spread the spores of mildew around large-leaved plants like zucchini, cucumber, melon and squash. Avoid using chemical pest controls as not only will they harm ladybugs and their larvae but they also effectively remove their food source and deplete their numbers.
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Biological pest control is all about patience, when the pests turn up the predators will not be far off. Newly developed adult ladybugs eat pollen and nectar as well as aphids. Umbrella-shaped flowers draw them into our gardens.
Plant or sow the following in your vegetable garden and not long after aphids turn up you will start to see ladybugs and, if you look closely, their larvae moving in: Fennel — when allowed to flower, Coriander — when allowed to flower, Dill — when allowed to flower, Alyssum Calendula, Cosmos and Yarrow. This species manifests itself in two totally different forms: the more common ashy gray-blue seen here, as well as a jet black beetle with two distinctive red splotches, one on either side of its shell.
Most coccinellids, although not this beetle in particular, are brightly colored to discourage predators.
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This adaptation, called aposematism, is useful because most brightly colored animals taste bad to predators, if they are not outright poisonous. The ladybug is no exception; being attacked automatically triggers a toxin which is exuded through its joints, making it undesirable to predators. Some species can even spray a venomous toxin when threatened.
Ashy gray lady beetles can be found across most of the US with their range ending in southernmost Canada, and south down to Argentina. This specimen was collected near the Brodie cabin.
Images of this organism can be viewed here , courtesy of Bugguide. Skip to main content. Ashy Gray Lady Beetle Olla v-nigrum.
Wednesday, June 23, Article by Hazel Galloway Images of this organism can be viewed here , courtesy of Bugguide.