Life … Animals Arthropods Arachnids Trombidiform Mites Arrenuridae Arrenurus Megaluracarus subgenus Megaluracarus Megaluracarus Children Arrenurus marshallae Arrenurus expansus Arrenurus manubriator native Most observed native Megaluracarus All Native to the US, by observations. Arrenurus manubriator 1 observations Close