Punch every bug in the face. No but really, get some pesticide, http://forum.grasscity.com/general-outdoor-growing/308969-outdoor-grow-guide.html , this guide has some good tips. Happy smoking
Do you really think to farmers when saw "some" bug on his crops just go straight in the shop and take "no matter what pesticide" to use for ? Why on the market are so many types of pesticides ?