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Tennessee | United States

Crab Spider (Tmarus)


Spider | Tmarus spp.



Entry Last Edited: 01/18/2023 | Content ©www.BugsOfTennessee.com

Insect Order

ARANEAE (SPIDERS)
Araneae, comprising spiders, are one of the most intimidating orders of insects to the casual observer. This predatory group is made up of roughly 3,400 species in the United States and Canada. Some are webspinners while others are not, and some are completely harmless (and beneficial) while others are not. Classic examples of spiders include garden-loving Orb Weavers, the common House Spider, the identifiable Black Widow, the mighty Wolf Spider, and the venomous Brown Recluse. Eight legs typically differentiate Araneae insects from other orders.


Taxonomy

The Taxonomic Breakdown is the scientific way to categorize a partocular insect species from its largest group (Animalia) to its smallest (variable). The Genus and Species categorizations taken together make up the species' scientific name shown above, in this case Tmarus spp..

Kingdom: Animalia
Phylum: Arthropoda
Class: Arachnida
Order: Araneae
Family: Thomisidae
Genus: Tmarus
Species: spp.


Characteristics

Harmlful insect icon
Harmful: Known to be harmful in one way or another.
Indoor insect icon
Indoors: Can be found indoors; inside dwellings.
Outdoor insect icon
Outdoors: Typically found across the great outdoors.
Eight-Legged insect icon
Eight-Legged: Eight legs are common to this insect.
Venomous insect icon
Venomous: Known to be venomous to humans.


Description

The Crab Spider (Tmarus) has been identified by site users by the following descriptors:

venomous    eight-legged    outdoors    indoors    brown    black    alien    long legs


Sighting Guide

The general likelihood of encountering this insect based on a given month of the year in the state of Tennessee. Generally, the best sighting months are June through August with peak occurring in July.

41F
JAN
44F
FEB
53F
MAR
62F
APR
70F
MAY
78F
JUN
80F
JUL
79F
AUG
73F
SEP
62F
OCT
52F
NOV
44F
DEC

Size

Below is a representation of the 'smallest-small' and 'largest-large' sizes commonly associated with the Crab Spider (Tmarus). Due to monitor differences, sizes may not be exact on your particular screen. Conversions to millimeters are provided for convenience.

Lowest-Low:
0.12 inches
(3 mm)
Highest-High:
0.20 inches
(5 mm)


Identifying Colors

Below you will find the colors most commonly associated with the Crab Spider (Tmarus). Both Primary and Secondary colors are represented in the showcase. Due to monitor differences, colors may not be exact representations.

BROWN
BLACK


Tennessee County Reach

The Crab Spider (Tmarus) can be found in the following Tennessee counties:

Anderson; Bedford; Benton; Bledsoe; Blount; Bradley; Campbell; Cannon; Carroll; Carter; Cheatham; Chester; Claiborne; Clay; Cocke; Coffee; Crockett; Cumberland; Davidson; De Kalb; Decatur; Dickson; Dyer; Fayette; Fentress; Franklin; Gibson; Giles; Grainger; Greene; Grundy; Hamblen; Hamilton; Hancock; Hardeman; Hardin; Hawkins; Haywood; Henderson; Henry; Hickman; Houston; Humphreys; Jackson; Jefferson; Johnson; Knox; Lake; Lauderdale; Lawrence; Lewis; Lincoln; Loudon; Macon; Madison; Marion; Marshall; Maury; McMinn; McNairy; Meigs; Monroe; Montgomery; Moore; Morgan; Obion; Overton; Perry; Pickett; Polk; Putnam; Rhea; Roane; Robertson; Rutherford; Scott; Sequatchie; Sevier; Shelby; Smith; Stewart; Sullivan; Sumner; Tipton; Trousdale; Unicoi; Union; Van Buren; Warren; Washington; Wayne; Weakley; White; Williamson; Wilson


Crab Spider (Tmarus) Picture (1)

1 of 1
Image of a Tmarus spp. Crab Spider insect at rest.; Credit: Cline J. of Kentucky.
This image is original to www.InsectIdentification.org; Used with Permission.

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