A bio-syringe mechanism and the pattern of genital correspondence in the weevil genus Sitona (Coleoptera: Curculionidae): an approach to the great interest of Sharp and Muir.

The remarkable diversity in male and female genital morphology among the species of Sitona Germar might contribute to the understanding of the structural "lock-and-key" isolating mechanism. Recently, it has been found that in spite of the phallic sizes in male weevils of the genus Sitona, their internal sacs should precisely match with the vaginal infoldings of conspecific females. The present research also deals with the male transfer apparatus, which is a special organ for insemination procedure inside the female bursa copulatrix.

One new species of Mycterothrips (Thysanoptera: Thripidae) from southern Iran.

The genus Mycterothrips, with 36 species worldwide, is primarily Holarctic, but with several species occurring in the Old World tropics including Australia and Africa (ThripsWiki 2019). The species apparently all feed and breed on leaves, although adults can disperse widely onto many plants. An identification key to 27 species was provided (Masumoto Okajima 2006), but seven further species were subsequently described from Iran (Mirab-balou et al.

Acquirement of CRY8DB Transgenic Tall Fescue (Festuca arundinacea Schreb.) by Agrobacterium tumefaciens to Develop Resistance Against Pentodon idiota Herbest.

Tall fescue plants are widely exposed to white grubs. Regarding the rate of damage caused by the white grubs to tall fescue and difficulty of its ecological and economical control, production of resistant cultivars is a priority. In this experiment, for the first time, we report production of transgenic lines resistant to white grub using CR8DB gene.

Leaf-feeding : two new species from southern Iran (Thysanoptera: Thripidae).

Mycterothrips doostii sp. n. and Mycterothrips zagrosi sp.