, in an embryo, pleuropodia, q.v. (Chapman); cerci, q.v., and external genitalia, q.v. (Chapman); in Collembola, ventral tube, retinaculum, and furcula, q.v. (Chapman); in Protura, paired appendages o [..]

, a disease of adult bees (Hymenoptera: Apoidea) caused by the parasitic mite Acarapsis woodi

, in ground-nesting species, blind-end false tunnels close beside the true nest burrow, e.g., in some Sphecidae (Hymenoptera) (Matthews and Matthews).

, in adult insects, external opening of accessory genital or colleterial glands, primitively through paired papillae (labia, phalli) on abdominal segment IX, but united with gonadal gonopore in Hymeno [..]

, secondarily developed vein in the wings of insects (T-B, after Comstock and Kellogg); an extra branch of a longitudinal vein (Borror et al.); in adult Symphyta (Hymenoptera), the most posterior vein [..]

, in a few species of Isoptera, alates which remain in the nest after swarming, loosing their wings, their gonads becoming atrophied, and playing no role in the maintenance of the colony (Grassé).

, in adult Formicinae (Hymenoptera: Formicidae), pore of the modified hypopygium through which venomous secretions are squirted (Gauld and Bolton); see nozzle.

, group of Hymenoptera, including the superfamilies Chrysidoidea, Tiphioidea, Formicoidea, Scolioidea, Vespoidea, Sphecoidea, and Apoidea, in which the ovipositor is modified into a sting (T-B; Wilson [..]

, pointed (T-B); armed with short sharp points (T-B); furnished with prickles (T-B); with aculeae (Borror et al.); armed with a sharp sting, as in the Hymenoptera (T-B); pertaining to the Aculeata (Wi [..]

(pl., aculei