The Chaldean and Egyptian labels already attached to this degree stand for two specific ancient authors. Vettius Valens, writing in Greek around the year 175, divided each sign into three ten degree faces under a rotating planetary sequence, leaving Venus to rule this decan across the whole first third of Cancer, and Ptolemy's Tetrabiblos separately preserves the Egyptian bounds table, keeping this degree under Venus's own term as well, an unusually concentrated stretch of one planet's influence. Neither writer pictured anything, only ruled it. The first complete pictorial set for all 360 degrees survives whole in 1494, in Johannes Angelus's Latin Astrolabium Planum, safely public domain but never freely translated into English.
The next complete English set is Welsh minister John Thomas's, writing as Charubel in 1898, whose entry for this degree describes a spider in the corner of a room, intently watching the giddy dance of flies as they heedlessly approach the edge of its domain, a picture of patient, positioned danger rather than open pursuit.
In practice, this degree is mostly used to time events through progressions or synastry. A single planet governing both the decan and the term this completely is unusual enough in the wider table that it is worth noting on its own, regardless of which picture tradition a reader happens to consult for this same point in the sign.