There are six items needed to complete this collection, which starts when you click on any of the followings:

/way yavin4 -3084 -3072 Beetle Collection #1 (A Piranha Beetle)
/way dathomir -6453 897 Beetle Collection #2 (A Borer Beetle)
/way tatooine -3959 6270 Beetle Collection #3 (A Young Cave Beetle)
/way mustafar 328 -1136 Beetle Collection #4 (A Flame Beetle)
/way corellia -5417 -6271 Beetle Collection #5 (A Ground Beetle)
/way dantooine -7071 -3332 Beetle Collection #6 (A Junk Beetle)

Reward: Framed Beetle Specimen Schematic