Picked up three of these wandering in the grassy verge of the creek trail. They made no attempt to bite in the hour I carried them; but crawled restlessly over my body until I plucked them off.
Female and male adult dog ticks.
Aculus galls from leaves of Salix gooddingii (Goodding's willow).
San Diego County, California, US
Host plant: Mule Fat (Baccharis salicifolia)
While collecting mantis egg cases in meadow, I found one with a red, bulky resident mite. It crawled around on the surface of the case for a bit as I took some photos, then relocated it's entrance hole and went inside.
Acari (or Acarina) are a taxon of arachnids that contains mites and ticks. The diversity of the Acari is extraordinary and its fossil history goes back to at least the early Devonian period. As a result, acarologists (the people who study mites and ticks) have proposed a complex set of taxonomic ranks to classify mites. In most modern treatments, the Acari is considered a subclass of Arachnida and is composed of two or three superorders or...