LOUSE

Wingless bloodsucker (5)

Solution has appeared in 2 crosswords (1 across and 1 down):

• Quick crossword No 15,478 — 2019-12-16 00:00:05
  18D: Insect — nasty character, undeserving of respect (5)
• Quick crossword No 15,339 — 2019-07-05 23:00:06
  9A: Wingless bloodsucker (5)