Dasymutilla occidentalis Dasymutilla occidentalis Dasymutilla occidentalis (red velvet ant or eastern velvet ant), is a species of parasitoid wasp native to the eastern United States. It is commonly mistaken for a member of the true ant family, as the female is wingless. The species ranges from Connecticut to Missouri in the north and Florida to Texas in the south. Other common names include cow ant and cow killer. The eastern velvet ant is the largest of the velvet ant species in the United States, attaining an approximate length of 0.75 in (1.9 cm). Adults display aposematic coloration, consisting of black overall coloring
Jack jumper ant thirty with a history of severe allergic reactions would greatly benefit from venom immunotherapy. Both rapid and slow doses can be done safely during immunotherapy. The efficacy (capacity to induce a therapeutic effect) of ant venom immunotherapy is effective in reducing systemic reactions in comparison to placebo and whole body extract immunotherapy, where patients were more likely to suffer from a systemic reaction. Ultrarush initiation of insect immunotherapy may be used, but results show higher risks of allergic reactions. Despite immunotherapy being successful, only ten percent of patients do not have any response to desensitisation. It is suggested that people