Bald-faced hornet from mid-April to early October, and reproductives were produced from mid-July through the end of November. Onset of male output usually precedes that of queen output in social wasps, however here "D. maculata" is an exception to this trend. Energy investment by workers required to produce reproductives is considerable. Newly emerged males and queens are no more functional than pupae; both depend heavily on solid prey brought in by workers, thus competing with larvae for food resources. As a result, worker quantity must remain high in order to maintain reproductive output. Workers must maintain food stores and defend the nest,
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