This is an ambush hunter, active on foliage at night, an orb weaver that has abandoned its web for wait-and-pounce style hunting. Females to 9mm in body length, males smaller. Named in 1872 by Koch and verified under the same name in all subsequent revisions.
![Arkys cornutus](../_dbase_upl/p106039312-13-09_rjw.jpg)