Insects bee suck nectar yellow flowers

Insects bee black color, seems to have a subscription to suck nectar from flowers yellow, in front of the house. This insects bee is very cruel, hostile reactions when approached, as if to attack with the target my head.

http://i.imgur.com/xCQoNt4h.jpg

http://i.imgur.com/ZU0uPcTh.jpg

http://i.imgur.com/jfNcxKdh.jpg

I took this photo from the home page of my sisters in Banda Aceh, Sumatra.

I hope you enjoy it.

http://i.imgur.com/pHEcIUHh.png