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Tennessee | United States

Dark Wood Cockroach

Cockroach | Ischnoptera deropeltiformis

Entry Last Edited: 02/22/2023 | Content ©www.BugsOfTennessee.com

Insect Order (Blattodea)

Order Blattodea represents the cockroach, the bane of homeowners and businesses alike. North America is home to roughly seventy or so species (compared to the 4,000 recoginized around the globe). Cockroaches are well-known indoor pests, typically foudn near food and water sources and in greta numbers. However, they are also native to outdoor spaces as well. Despite having wings, cockroaches are agile, fast runners and can disappear before one has time to deal with them. North American varieties resemble one another to an extent, being red, brown, or black in color and having wings set over their abdomens (both forewings and hindwings are present). Long antenna are seen at the head and short protrusions called cerci can be seen at the end of their abdomens.


Other Names: "Sexy Legs Cockroach"

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 Ischnoptera deropeltiformis.

Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Blattodea
Family: Ectobiidae
Genus: Ischnoptera
Species: deropeltiformis


Antenna insect icon
Antenna: Antenna are noticeably apparent on this insect.
Harmlful insect icon
Harmful: Known to be harmful in one way or another.
Outdoor insect icon
Outdoors: Typically found across the great outdoors.
Pest insect icon
Pest: Generally considered a pest to humans.
Six-Legged insect icon
Six-Legged: Six legs are common to this insect.
Small / Tiny insect icon
Small / Tiny: Noticeably small to the naked eye.
Winged insect icon
Winged: Has wings to hop or fly over distance.


The Dark Wood Cockroach is also known by these other names:

Sexy Legs Cockroach

The Dark Wood Cockroach has been identified by site users by the following descriptors:

small    outdoors    pest    harmful    brown    black    wings    winged    flying    six-legged    antenna

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.



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

0.20 inches
(5 mm)
0.59 inches
(15 mm)

Identifying Colors

Below you will find the colors most commonly associated with the Dark Wood Cockroach. Both Primary and Secondary colors are represented in the showcase. Due to monitor differences, colors may not be exact representations.


Tennessee County Reach

The Dark Wood Cockroach 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

Dark Wood Cockroach Picture (1)

1 of 1
Side view of the Dark Wood Cockroach.; Credit: Alex Icycatelf Bowen of Kentucky, USA.
This image is original to www.InsectIdentification.org; Used with Permission.

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