aedeagus


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aedeagus

[¦ē·dē′ā·gəs]
(invertebrate zoology)
The copulatory organ of a male insect.
References in periodicals archive ?
1E) with small stem, blade broad, oval-shaped, inner margin distinctly wavy, apex without spine and sub-round, outer upper margin near apex depressed distinctly, inner triangular spine present; inflated aedeagus (Fig.
The genus can be characterized by presenting occipital procces; four-segmented palpi; wings with 1-3 mm long, R5 joining C beyond the wing apex, Rs weaker than R1, but evident; variable tarsal claws (toothed or simple, and curved near basal third or beyond), empodia usually reaching to the curve of the claws or sometimes shorter; quadrate or secondarily lobed or acute male cerci; aedeagus usually elongate and tapering to the apex or sometimes large and bulbous; ovipositor short, barely protrusible; and female cerci separate.
Las fotografias de los organos genitales masculinos se tomaron en vista lateral y ventral asi como el aedeagus.
They are morphologically quite similar--the primary character distinguishing them is differences in the male genitalia, specifically the aedeagus, or intromittent organ.
Then, the male held the female with the pairs of legs, and positioned the posterior part of its body next to the female pygidium and inserted the aedeagus to begin copulation.
1g): Symmetrical, Uncus sclerotised, elongated downward curved, slender at apex, tegumen short, broad dorsally, saccus V-shaped, valva elongated, basal part narrow, outer margin sinuated, inner margin sinuated with small hair, distally somewhat rounded lobe covered with hair, aedeagus broad, long, curved, anteriorly narrow, posteriorly broad.
Aedeagus asymmetrical through 90[degrees] inversion of distiphallus; with two parameres, and these carrying a rugose morphoventral projection (Fig.
The most reliable characters for discrimination of Lilioceris species are those of the internal sac of the aedeagus.
Identificacion: Para la identificacion de las especies se utilizaron ejemplares adultos-machos y se consideraron los siguientes caracteres taxonomicos: el aedeagus del macho, el patron de coloracion de la cabeza y el pronoto, la longitud de las alas anteriores y el noveno esternito del macho (Stark 1995, Stark 2001, Stark et al.
Males are always smaller than females and have a typical aedeagus with the axis of the knob parallel to that of the shaft, with shorter anterior angulation and acutely pointed and longer posterior and also acutely pointed distal portion (Vacante 2010).
The gonopore region of undissected males was conspicuous just below the styli, but the aedeagus was not visible (Figure 5).
1d), and aedeagus with about five pairs of apical leaflets (with thin margins) (Fig.