Bald-faced hornet to laying eggs while the workers take over all other necessary housekeeping tasks. At some point, sometime before the midpoint of colony life, the colony will begin to invest energy in producing reproductives as well. This marks the transition into the reproductive stage. There is an extensive time period where both workers and reproductives are raised. Production of both castes limits the size of the work force. However, an early switching time is highly adaptive for social wasp colonies in limiting the risk of total loss. In a sampling of 50 colonies taken in Maryland in 1977, workers were produced
BSA Hornet In '67 the color was changed to a darker red 'Cherokee Red' and was the last production year for the Hornet. The BSA Spitfire Hornet was a true racing motorcycle, with the A65 engine upgraded with high compression pistons and a performance cam. The gear ratios were altered for sprint acceleration and the brakes (the 8 inch model from the BSA Gold Star) were improved with special cooling fins. The BSA Spitfire Hornet was popular in the US, but was not marketed in the UK. (The name 'Spitfire' was later used for the top-selling BSA Spitfire road bike). For 1966