The black and yellow orb weaver spider is one of the most colorful in California gardens. The female is large (body often over an inch long) with the signature black abdomen with broad yellow bars. Hanging in the middle of their intricate web, they’ll patiently sit and wait for the vibrations of a flying insect […]
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Summer is here and so are yellowjackets – those one-half to one-inch-long bright yellow wasps with black strips and their signature “narrow” waist. Yellowjackets prey on other insects and scavenge on human food and garbage. They will fiercely defend their nests – in holes in the ground, inside wall cavities or hanging gray paper-looking ones,
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In Marin, flies are often a nuisance during summer and fall, and some species enter our homes. Here are the most common: Filth-breeding flies like house flies and blow flies develop in compost, animal waste, dead animals, and garbage. These flies are commonly contaminated with bacteria, including those associated with food poisoning and can spread
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The ethereal green lacewing is one of the more recognizable garden “good guys.” With its slender pale green body, delicate gossamer wings, and immense golden eyes, it gives the appearance of a fairy prancing on garden leaves rather than the aggressive predator that it is. Lacewings, also called aphid lions, are natural enemies of several
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Here in Marin, we’re fortunate to have ready access to wonderful, healthy produce. And it’s even better if you can step into the garden and pick your own! Before harvesting, check out those leafy greens, or your apple, pear, lemon or lime trees, and look for the telltale signs of leafminers, the twisting trails (or mines)
Did you eat your fruits and vegetables today? Read More »
It’s summertime, a busy time for travel. One thing you don’t want to experience on your trip is bedbugs – those small, wingless insects that feed on blood, causing itchy bites, and generally irritating their human hosts. While the EPA, CDC, and the USDA all consider bed bugs a public health pest, bed bugs are
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During this time of year, many insects, including ants and termites, search for new places to establish colonies. When conditions are right—warmer temperatures, brighter sunlight, and light winds—winged insects leave their original nests. This mass flight is known as swarming, and the winged insects are called swarmers or alates. Although dramatic, swarming itself is short-lived
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Have you ever seen these critters in your rose garden? Or worse yet, do you have any of these symptoms that they’ve been there? Roses with petals that resemble Swiss cheese? Young buds and stems that have holes or are broken just below the bud? Meet the really bad guys of the rose garden –
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Boxelder bugs and stink bugs are occasional indoor pests, most often noticed in fall and winter when cooler weather drives them to seek shelter. While they can be annoying, neither insect reproduces indoors or causes structural damage, and both are best managed with prevention and gentle control rather than pesticides. Boxelder bugs are dark gray
Good, Bad, or Nuisance Bug? Read More »
Murderers lurking in garden shadows sounds like something out of a gothic novel. And certainly not something you’d think you’d want roaming around on your tranquil piece of land, but if they’re of the insect type, you definitely do. Meet the assassin bugs. These aptly named beneficial insects are voracious predators of a wide variety
These bugs are good for the garden! Read More »
