Maso sundevalli is fairly common throughout the British Isles. It is a small spider, being only around 1.5 mm in length. A notable feature of this species is the presence of long spines on the tibia and metatarsus of the front pairs of legs. These have been highlighted in yellow in the relevant micrograph.
|Head and chelicerae of a male Maso sundevalli||Head and chelicerae of a female Maso sundevalli||Left Pedipalp (male sexual organ) of Maso sundevalli|
|Epigyne (female sexual organ) of Maso sundevalli||Characteristic large spines on the tibia and metatarsus of Maso sundevalli. (Leg 2 of a female)||Tarsal claw of Maso sundevalli|