ACKNOWLEDGEMENT
I would like to express my sincere gratitude and deep appreciation to my
major advisor, Assistant Professor Dr. Guntima Suwannapong, and my Co. Advisor,
Assistant Professor Dr. Rath Pichyangura, for their excellent instruction, patience and
encouragements through the years. Without this kindness and understanding this work
could not be accomplished.
Great appreciation is given to Associate Professor Punnipa Siripermpool and
Assistant Professor Dr. Sureerat Deowanish as an examining committee, for all of
their guidance, and valuable advice throughout this study.
I also would like to sincerely thank to Department of Biology, Faculty of
Science which was providing facility to complete this work. Kindly thanks are
extended to all members of Bees and Blowflies Biology Laboratory for their help and
friendship.
Finally, greatest respect is express to my parents for their loving, patience,
prayer, caretaking, attention, and support throughout my study.
Tanawat Yemor