Specimen 403 : Irina Cedeno & Michael Skogen

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Location of collection: GGC-1

Date of collection: November 2012

Shannon-Wiener Index of Biodiversity: 2.82522

Photo: 403

IMG 0169.JPG

Distinguishing morphological features of Order:


-Quite variable, colors from dull grays, browns and blacks to bright reds, orange, yellows and greens


-cephalothorax and abdomen

-Cephalothorax bearing up to eight simple eyes and four pair of legs, divided by thin segment leading to the abdomen which may have one to four pair of spinnerets on the posterior end.

-A pair of appendages near the mouth called pedipalps, either leg-like or bulbous, depending on sex.

-Male pedipalps usually enlarged, looking like boxing gloves.

Sub-order ? Family ? After sequencing, genus and species ?

Family: Araneidae

Geographical Distribution:

Spiders inhabit most of the world, including the Arctic. The vast majority of spiders are terrestrial, although a few specialized species live under water.

Life cycle:

Egg sac--> spiderlings--> molting--> maturity--> courtship and mating

Sexual dimorphism:

Male spiders are smaller than female spiders.

What it eats:Larval/nymphal stage Adult stage

Members of the order Araneae prey on other organisms (carnivores), usually insects. However, spiders can only consume liquids, as they lack chewing mouthparts. They use chelicerae, pointed appendages at the front of the cephalothorax, to grasp prey and inject venom. Digestive juices break the food down into liquid, which can then be injested by the spider.

Habitat: Larval/nymphal stage Adult stage

Spider are found in deserts, forests, mountains, tropical rain forests, and even in the coldest places such as the arctic. They are also seen in high places in building ceiling, and places where they can create their home.

Ecological Importance: Larval/nymphal stage Adult stage

They are predators of other insects, so they can maintain that balance in biodiversity of other insects.

Economic/agricultural/human health importance: Larval/nymphal stage Adult stage

They are an economic significance since some species with venom are used for medicine and food in other countries.

PCR product: gel picture?

Sequence data:

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