Xystodesmidae - 57 Species, Identification & Facts

Apheloria tigana

A. tigana is the dominant xystodesmid in central NC, particularly the "Triangle" (Raleigh‒Durham‒Chapel Hill). Individuals typically have yellow paranota, a yellow middorsal spot on the anterior margin of the collum or 1st segment, and yellow middors

Cherokia georgiana

Identification: Male gonopods Fluoresces under UV light

Harpaphe haydeniana

Identification: see secretes a dark fluid that has an odor similar to the almond extract

Howellaria deturkiana

Identification: Paranota red-orange with caudal metatergal line connecting them. Anterior portion of metazonites mottled brown-black. Collum similar. Antennae, legs white. Gonopods with an "apically prolonged acropodite." Also have "ventrally spined

Howellaria infesta

Identification: Paranota red-orange, dorsum brown-black. Collum similar. Legs white, antennae dirty yellow.

Nannaria terricola

Identification: Greenish black to olive gray, lateral lamina, legs and under side of body dirty white. Anal scutum triangular, very acute behind; ten long hairs on anal valves two-thirds to three-fourths the length of the anal scutum. Feet slender, p

Selenocheir arcuata

Identification: Acropodite of the gonopod blade-like and forming a broad, poorly defined arc without distinct distal curvature. Cuadrolateral corners of the paranota angular on segments 2-3, blunted on 4-8 and distinctly rounded on remaining tergites

Semionellus placidus

Identification: Paranota reduced, peach-colored and connected by a caudal peach metatergal band. Prozonite and anterior metazonite brown. Legs, antennae white. Gonopods: prefemoral process expanded into a corkscrew-like shape, acropodite whip-like. F