User-agent: googlebot 
Disallow: 

User-agent: scooter 
Disallow: 

User-agent: fast 
Disallow: 

User-agent: slurp 
Disallow: 

User-agent: arachnoidea 
Disallow: 

User-agent: KIT-fireball/2.0
Disallow: 

User-agent: Yahoobot 
Disallow: 

User-agent: msnbot 
Disallow: