Specimen 423: Kyle Hart & Chanpisey Phy

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Location of collection: GGC Site 3

Date of collection: Nov. 2012

Shannon-Wiener Index of Biodiversity: 3.95

Photo: IMG 0191 Mite.jpg

Distinguishing morphological features of Order:

This order of mites have 8 legs and have two body segments, the abdomen and the head. They have either one or two pairs of eyes.

Classification: Order: Trombidiformes Family: Erythraeidae

Geographical Distribution:

This group of mites can be found in north and central America but mainly centralize around central America, in warmer environments.

Life cycle:

Begin as a larva that is a parasite on other arthropods. Later they go through a pupate stage, that really is an inactive nymph stage. At this phase the organism becomes a free predator. Once the organism has fed enough it will go through a pupate stage and emerge as an adult.

Sexual dimorphism:

What it eats:Larval/nymphal stage Adult stage

Larval forms of these mites are parasitic on various other arthropods, such as harvestmen. The adults are free living predators.


This group of arthropods can be found in meadows and woodland areas.

Ecological Importance:

The larva, since they are parasites and kill there host, keep arthropod levels down of the target hosts.

Economic/agricultural/human health importance:

These organisms help to control pest insect populations and these organisms to not feed on humans. A large number of these organisms have been shown to cause allergies.

PCR product: gel picture?


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