Tijdschrift voor entomologie . 9. minor ridgemajor ridgedorsal rim dorsal partof ST8 cercus infra-anal plate coxopodite of 9Tfused valvulae hypovalva lateral bulge lateral shell spined arearostral extensionnternal shell Figs. 4—5. Generalized drawing of ovipositor (fig. 4, lateral view) and hypovalvae (fig. 5, dorsal view); ST,sternite; T, tergite. (Reproduced with kind permission from Tangelder, 1983, Beaufortia 33: 113) hypovalvae. The opening of the bursa copu-latrix is situated underneath the fused position of the male intromittent organ issecured during copulation by the admi
Tijdschrift voor entomologie . 9. minor ridgemajor ridgedorsal rim dorsal partof ST8 cercus infra-anal plate coxopodite of 9Tfused valvulae hypovalva lateral bulge lateral shell spined arearostral extensionnternal shell Figs. 4—5. Generalized drawing of ovipositor (fig. 4, lateral view) and hypovalvae (fig. 5, dorsal view); ST,sternite; T, tergite. (Reproduced with kind permission from Tangelder, 1983, Beaufortia 33: 113) hypovalvae. The opening of the bursa copu-latrix is situated underneath the fused position of the male intromittent organ issecured during copulation by the adminiculumitself, and by its lateral appendages, the gonapo-physes. The intromittent organ is usually a thintube, runnmg from the semen pump in the di-rection of the thorax and with a downward loop back to the adminiculum. Its length varies fromabout 2 mm to about 40 mm (in N. helveticawith the intromittent organ spirally coiled in-side the abdomen) and the part towards the ad-miniculum can show various modifications (bi-partite,
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectentomology, bookyear1
