Bald-faced hornet hydrocarbons serve as a barrier to moisture diffusion and thus prevent dehydration in wasps. Cuticular hydrocarbon profiles vary over species and nests, and so cuticular hydrocarbons are a proposed mechanism for nest-mate recognition. Worker and queen cuticular lipids have similar components, but their distributions differ dramatically, implying that cuticular hydrocarbons also play a role in caste differentiation. The following lipid profiles were determined from specimens collected in the summer and early fall of northeastern Georgia in 1989. The dominant hydrocarbons recovered from the cuticles of workers were n-alkanes and methyl branched and dimethyl branched alkanes with a C27 or a
Bald Knob, Arkansas a landmark to pioneers. It has frequently been noted on lists of unusual place names. One point of interest in Bald Knob is Arkansas Traveler Hobbies, which is housed in the old Missouri Pacific Railroad depot at 400 E. Market Street. Antique passenger cars and an antique caboose are housed on the grounds and currently being restored. The hobby shop also houses a museum, which chronicles the history of Bald Knob, the Missouri Pacific Railroad, and White County. Another attraction is the historic Knob Field, just east of the Big Bald Knob Park. The Campbell-Chrisp House, built in 1899, was