Bald-faced hornet viable brood in the comb fragment. The physical nature of cues mediating natal comb recognition is unknown, though some researchers propose distinct cuticular hydrocarbon profiles allow wasps to recognize nest mates. "D. maculata" is characterized by low paternity, worker reproduction and queen-worker conflict. Divergent genetic interests between workers and their queen cause intra-nest struggle for control, which disrupts social organization. Because of haplodiploidy, workers are unable to mate. However, their unfertilized eggs become males. Workers and their queens are most related to their own sons. Natural selection will therefore favor those workers who produce their own sons rather than rearing
Bald Hill (Australia) Bald Hill, which resulted in a coronial enquiry and the adoption of a management plan over Bald Hill in May 2003. Significant improvements to the management of hang gliding and paragliding activities have been undertaken since. Bald Hill (Lawrence Hargrave Memorial Park) is listed in the Wollongong Local Environment Plan as a heritage item of state significance. It is also listed in the Illawarra Regional Environmental Plan as a heritage item. The name is becoming rather a misnomer, for growth of weeds and grasses has become quite prevalent on its mid slopes from its base. There are toilet and carpark