Bad bots list – few more in 2019
AhrefsBot/6.1;
evc-batch/2.0)”
spider/4.0
Qwantify/2.4w;
DomainSigmaCrawler/0.1;
Mappy/1.0;
SemrushBot/6~bl;
Nimbostratus-Bot/v1.3.2;
SemrushBot-SI/0.97;
coccocbot-image/1.0;
SemrushBot/1.0~bm;
SEOkicks;
houzzbot;
GrapeshotCrawler/2.0;
MegaIndex.ru/2.0;
YandexImageResizer/2.0;
coccocbot-web/1.0;
TinEye-bot/1.31;
YandexImages/3.0;
Pinterestbot/1.0;
MJ12bot/v1.4.8;
SeznamBot/3.2;
DotBot/1.1;
bingbot/2.0;
YandexBot/3.0;
BLEXBot/1.0;