Mesh Web Weavers (Dictynidae) - 48 Species, Identification & Facts

Arethyna coloradensis

Identification: Palp This species is very similar to A. volucripes . Both sexes of A. coloradensis average larger in size and the coloration is much darker. The epigynum is not easily differentiated from that of A. volucripes with the median atria sl

Califorenigma linsdalei

Califorenigma is a monotypic genus of spiders in the family Dictynidae containing the single species, Califorenigma linsdalei.

Dictyna arundinacea

A small (3 mm) spider which may be variable in appearance, but often with a pale body and a darker central pattern. Apical ends of tarsi I, II and III darker than remaining segments. Confirmation requires microscopic examination of the genitalia of a

Dictyna saepei

Identification: "This is a very dark species which resembles idahoana and peon in coloration. The abdomen usually has the typical markings confluent to form a quite uniform black stripe from base to apex, has the sides blackish, and the median black

Dictyna uncinata

A very small (3 mm) spider. This is a sexually dimorphic species - the female has a dark and light brown patterned hairy body, the male is more uniformly dark grey or blackish. No darkening of apical ends of tarsi. Confirmation requires microscopic e

Emblyna borealis

Chamberlin & Gertsch indicate that E. b. cavernosa is paler than E. b. borealis and reluctantly places it as a subspecies to E. borealis . They also indicate that E. b. canvernosa is very similar to E. completa .

Emblyna hentzi

Emblyna hentzi is a species of mesh web weaver in the spider family Dictynidae. It is found in the United States and Canada.

Khalotyna calcarata

Identification: Palp Common Dictynid throughout the Western United States.

Lathys humilis

To 2.5mm. Legs grey and annulated. The opisthosoma is greenish brown with a dark or red-brown pattern dorsally, consisting of longitudinal lines and chevrons. The spider occurs on bushes and trees in woodland and scrub, and can be beaten off oak, hol

Mastigusa diversa

Body length 3 to 3.5 mm. Prosoma light yellow-brown. Sternum yellow-brown. Legs yellow-brown. Opisthosoma light yellowish, sometimes with vague brownish or blackish pattern. Male palps highly distinctive. In natural light females have metallic blue i

Nigma walckenaeri

A small spider, up to 5 mm long with a beautiful, bright green abdomen that has a few white hairs giving a shiny, or frosted appearance. The legs are a yellowish-green. Females have a green head (cephalothorax), while adult males have a brown head. O

Nopalityna sublata

Identification: Females come in dark and light forms but can be variable. Males are redder. Epigynum Palp

Phantyna bicornis

Identification: Epigynum: undissected, dissected ventral, dissected dorsal Palp: ventral, lateral P. terranea replaces this species in the west.

Spagnius foliaceus

Identification: S. foliaceus typically has a pale median area on the abdomen with an distinct undulating border. On the carapace there appears to be one prominent row of white hairs. There are few species to confuse it with in the east. Some Nopali