Citations:araneicide

Noun: "A substance which kills a spider"

 * 1993 — James C. Colkendopher, Masked Chafers, Cyclocephala pasadenae Casey (Coleoptera: Scarabeidae) Are Poisonous to Spiders
 * The unknown toxicant might lead to the development of a novel araneicide.

Noun: "The killing of a spider"

 * 1992 — Michael Frank Downes, The Life History and Behaviour of the Subsocial Amaurobid Spider Badumna candida
 * [Discussing spider behavior] Frenzy, body-contact unbearable; some araneicide.