Physical characteristics: This species measures 0.2 to 0.3 inches (6 to 8 millimeters) and can only be identified by looking at the hair-like structures on the body and the abdomen under a microscope. The body is pale yellow, while the last abdominal segment and pincher-like structures are dark brown. The antennae have twenty-six segments. Each half of the pinchers has a distinctive toothlike projection.
Geographic range: These diplurans are found in central California. They are distributed from the Pacific coast east to the crest of the Sierra Nevada mountains.
Habitat: This species lives in the soil and is often found under rocks and wet leaf litter.
Diet: Nothing is known about the food preferences of this animal.
Behavior and reproduction: This dipluran has been found down in the soil to depths of 30 inches (76 centimeters).
A female was found with eight small larvae, suggesting that she not only looks after her young, but that she probably stands guard over the eggs.
Holijapyx diversiunguis and people: This species has no direct impact on people or their activities.
Conservation status: This species is not threatened or endangered. ■
FOR MORE INFORMATION
"Diplura." Tree of Life Web Project. http://tolweb .org/tree?group=Diplura&contgroup=Hexapoda (accessed on September 1, 2004).
"Entognathous Hexapods: Diplura." Ecowatch. http:// www.ento.csiro.au/Ecowatch/Hexapods/diplura.htm (accessed on September 1, 2004).
Class: Insecta Order: Microcoryphia Number of families: 2 families
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