Anterior lamina: Odonata; the anterior sternal border of abdominal segment 2, modified to form the front margin of the genital pocket.
Anterior lobe: Orthoptera; see lobes.
Anterior squama: = antisquama; q.v.
Anterior stigmatal tubercle: on thoracic and abdominal segment of caterpillars; varies from substigmatal to stigmatal anterior; sometimes united to IV: it is V of the abdominal series, IV of the thorax (Dyar).
Anterior trapezoidal tubercle: on thoracic and abdominal segment of caterpillars addorsal, anterior, always present, rarely united with II: it is I of the abdominal series, la of the thorax (Dyar).
Antero: to the front; anteriorly.
Antero-dorsal: Diptera; applied to leg bristles at the meeting of anterior and dorsal face.
Antero-ventral: Diptera; applied to leg bristles at the meeting of anterior and ventral face.
Anthobian: feeding on flowers; applied to certain lamellicorn Coleoptera in which the labium extends beyond the mentum.
Anthophila: Hymenoptera; species in which the basal joint of the hind tarsus is dilated and pubescent; the bees.