Spiders body count

Here's a list of everytime the Troupe kills someone, just for knowledge purpose:

Kurapika's Memories: Part Two

Character	Description	Death
128 Kurta Clan members	Tortured, mutilated and decapitated in order to sell their eyes by Chrollo, Nobunaga, Feitan, Machi, Phinks, Shalnark, Franklin, Pakunoda, Bonolenov, Uvogin and Kortopi; As well as the original #4 and the original #8.

Hunter Exam arc

Character	Description	Death
Some Seasoned Hunters	Killed for going after them; Only mentioned - Chapter 2

Yorknew City arc

Character	Description	Death
496 mafia members	Machine-gunned by Franklin in order to steal the treasures without witnesses - Chapter 73 (number of mafia members confirmed in Chapter 74)
Shachmono Tocino	Machine-gunned by Franklin in order to steal the treasures without witnesses - Chapter 73
Ivlenkov	Head crushed by Shizuku in order to leave no witnesses - Chapter 73
Baise	Head crushed by Shizuku in order to leave no witnesses - Chapter 73
Mafia member	Machine-gunned by Franklin in order leave no witnesses - Chapter 73 (the 2011 anime changed it to Feitan killing him)
Mafia auctioneer	Tortured to death by Feitan off-screen - Chapter 74
Mafia member	Neck broken and head crushed by Uvogin - Chapter 75
At least 43 mafia members	Brutalized in different ways by Uvogin in a fight - Chapter 75
Worm	Destroyed by Uvogin in a fight with one punch - Chapter 76
Leech	Head bitten by Uvogin in a fight - Chapter 76
Rabid Dog	Shot by Uvogin with a piece of skull in a fight - Chapter 76
Porcupine	Bursting eardrums by Uvogin in a fight - Chapter 76
5 Shadow Beasts	Killed in a fight by Feitan, Machi, Shizuku and Shalnark - Chapter 77 (the 2011 anime made Feitan kill three, while Shizuku killed two)
Dalzollene	Impaled by Phinks for kidnapping Uvogin - Chapter 78
At least 2 house owners	Killed by Uvogin and Shalnark to invade his house; Shalnark mentions bodies in plural, meaning at least one more was killed - Chapter 79
2 mafia members	Tortured to death by Uvogin for information - Chapter 79
At least 7 warriors	Killed by Uvogin and Nobunaga Hazama; one was slashed by Nobunaga - Chapter 93
Assassin F	Stabbed with a pen by Chrollo in self-defense - Chapter 96
Mafia member	Neck twisted by Phinks during Uvo's requiem - Chapter 96
2 police officers	Run over by Shizuku during Uvo's requiem - Chapter 97
At least 20 mafia members	Machine-gunned by Franklin during Uvo's requiem - Chapter 97
5 mafia members	Decapitated by Feitan during Uvo's requiem - Chapter 97
3 mafia members	Necks twisted by Phinks during Uvo's requiem - Chapter 97
5 mafia members	Killed by Shalnark and Pakunoda during Uvo's requiem; one was shot while Shalnark sneaked behind him - Chapter 97
13 mafia members	Killed by Machi during Uvo's requiem; 5 were hanged by the wires, 8 were shot - Chapter 97
Assassin A	Devoured alive by Chrollo's Nen ability during Uvo's requiem - Chapter 97
9 mafia members	Shot by Shalnark's manipulated victim - Chapter 98
Mafia member	Shot while being under Shalnark's control - Chapter 98
1.943 mafia members	Killed during Uvo's requiem by Feitan, Machi, Phinks, Shalnark, Franklin, Shizuku, Pakunoda, Bonolenov and Kortopi - Chapter 97, Chapter 98 (number of mafia members confirmed in Chapter 98)
Assassin B, Assassin C and Assassin E	Killed by Chrollo during Uvo's requiem; Only mentioned by Zeno - Chapter 98
Assassin D	Stabbed from behind with a pen by Chrollo during Uvo's requiem - Chapter 98
Ten Dons	Assassinated by Illumi, on Chrollo's request - Chapter 100
Bean	Hanged by Machi in order to infiltrate the auction - Chapter 100
Mafia auctioneer	Manipulated by Shalnark in order to infiltrate the auction - Chapter 100
Squala	Decapitated by Nobunaga because he ignored his orders; Proxy kill by Pakunoda, as she provoked him into moving, and by Kortopi, who tracked him - Chapter 112

Greed Island arc

Character	Description	Death
2 drivers	Killed by Feitan and Phinks in order to steal Greed Island - Chapter 122
Greed Island player	Tortured to death by Shalnark, Kortopi and Shizuku for information - Chapter 134 (the 1999 anime made only Shal and Kortopi kill him)
Latarza and several other Greed Island players	Killed by Feitan and Phinks to steal his cards; The two then begin a competition to see who can kill more players - Chapter 134

Chimera Ant arc

Character	Description	Death
Gorilla	Obliterated with a punch by Phinks in order to save Meteor City - Chapter 226
Gun-toting Ant	Crushed by Bonolenov's ability in order to save Meteor City - Chapter 227
Small Beetle	Mutilated with paper by Kalluto in order to save Meteor City - Chapter 227
Pell and Boki	Obliterated by Shalnark in order to save Meteor City - Chapter 227
Pike	Blood sucked by Shizuku in order to save Meteor City - Chapter 228
Zazan	Burned alive by Feitan in order to save Meteor City - Chapter 229
At least 14 Chimera Ants	Killed by Feitan, Kalluto, Phinks, Shalnark, Shizuku and Bonolenov as mercy killing - Chapter 229
Dog	Obliterated with a punch by Phinks as mercy killing - Chapter 229

Succession Contest arc

Character	Description	Death
Heavens Arena judge	Manipulated by Chrollo during a fight, resulting in his death - Chapter 351
2 Heavens Arena spectators	Manipulated Chrollo during a fight, resulting in their deaths - Chapter 352
Heavens Arena spectator	Manipulated by Chrollo during a fight, resulting in his death - Chapter 354
2 Heavens Arena spectators	Thrown into Hisoka by Chrollo during a fight - Chapter 356
Hisoka Morow and several Heavens Arena spectators	Asphyxiated by Chrollo during a battle; Several people died in the explosion - Chapter 356 and Chapter 357
Luini	Stabbed by Nobunaga for playing with the Troupe - Chapter 393
Mafia member	Forced by Feitan, Phinks and Nobunaga to activate the trap, resulting in his death - Chapter 398
Mafia member	Forced by Feitan, Phinks and Nobunaga to activate the trap, resulting in his death - Chapter 398
Lynch Fullbokko	Neck twisted by Bonolenov so that his identity would not be revealed - Chapter 405 (body seen in Chapter 406)
Risnorth	Apparently brutally killed by the Spiders several years ago for revenge - Chapter 405