Complex sentence: Because of its parasitic lifestyle, "V. austriaca" has a large stinger with very curved sting shafts; this curving allows the parasitic wasp to puncture through the intersegmental membranes of host colony workers who are defending their nests.
Split into simpler sentences: Because of its parasitic lifestyle, "V. austriaca" has a large stinger with very curved sting shafts. This curving allows the parasitic wasp to puncture through the intersegmental membranes of host colony workers who are defending their nests.