Halloween is the perfect time to talk about bats, since many people hang spooky bat decorations depicting them as black, blood-sucking, mysterious creatures flying over a haunted house.
But did you know that bats are actually beneficial and eat insects? Here are a few myths about bats that you likely have heard:
Myth #1: Bats are blind
You've heard the term “blind as a bat.” Bats actually have excellent vision, but also use echolocation to help them pinpoint the exact location of an insect so they can more easily find it while flying at night.
Myth #2: Bats are vampires that suck blood
Most of the bats that live in California eat night-flying insects, and...
If your neighborhood has Chinese hackberry trees, chances are you've noticed a sticky substance on cars, parking lots and sidewalks. The sticky substance is called honeydew, and might be caused by a pest called the hackberry woolly aphid.
Hackberry woolly aphids appear as fuzzy, bluish white masses on leaves and other tree parts and are about 1/10 of an inch or less in diameter. Not all the aphids have wings, but those that do have distinct black borders along the forewing veins and their antennae have alternating dark and light bands. As the aphids suck out plant juices, they excrete the sticky honeydew. Sometimes blackish sooty mold grows on the honeydew and creates a sticky mess on leaves and surfaces beneath infested...
The mere mention of head lice might make feel you itchy and start to scratch your head. However, now that children are back in school, it's a good time to talk about these tiny pests.
Although head lice can infest anyone, children are the most susceptible since they play together closely and share items that come into contact with the head like hats, headphones and combs. Head lice are not known to transmit infectious diseases and are considered more of a nuisance than a health risk. In many school districts, children with head lice are generally not allowed to attend school as long as nits are found in their hair.
An adult head louse is about the size of a sesame seed and ranges in color from tan to gray. While lice can...
- Author: Kathy Keatley Garvey
Will all the pollinators please stand up!
Or do a fly-by like the Blue Angels or a crawl-by like babies competing in a diaper derby.
Bees--there are more than 4000 of them in North America--are the main pollinators, but don't overlook butterflies, beetles, birds, bats and moths.
And flies.
Flies?
Yes, flies.
Hover flies, aka flower flies or syrphid flies, belong to the family Syrphidae. Scientists estimate that worldwide, there are about 6000 described species in 200 genera. As their name implies, hover flies "hover," sort of like a helicopter preparing to...
Drought is decreasing but not defeating the pathogen that causes sudden oak death, according to a citizen science-assisted survey conducted this spring by a UC Agriculture and Natural Resources forest pathologist.
Results of the 2015 Sudden Oak Death Blitz survey reveal coastal mountain infestations in areas such as Big Sur (19% infection), the Santa Cruz Mountains (13% infection), and western Sonoma County (12% infection) remain high despite an overall decline in infection rates from 4.4% to 3.7% across California's 15 infested counties.
Sudden oak death (SOD) symptoms have been seen in Alameda, Contra Costa, Humboldt, Lake, Marin, Mendocino, Monterey, Napa, San Francisco, San Mateo, Santa Clara, Santa Cruz, Solano,...