2023年7月21日 · Wheat stem sawfly (Cephus cinctus) are primitive, wasp-like insects that belong to the family Cephidae within the order Hymenoptera (i.e. bees, wasps, ants). The larvae are considered serious pests of spring and winter wheat, and infestation can result in decreased quality and yield of the final product.

Cephus cinctus, also known as wheat stem sawfly, [1] is a slow flying, yellow and black coloured, destructive pest found mainly in western North America. [2][3] Wheat stem sawflies grow to a length of 7 to 12 mm, with males being smaller than females. [2] .

2025年2月1日 · Manage Wheat Stem Sawfly infestations with effective solutions, including crop rotation, resistant wheat varieties, and biological control methods, to reduce damage and promote healthy wheat production, improving yields and minimizing economic losses.

The wheat stem sawfly, Cephus cinctus (Hymenoptera: Cephidae), is an important pest of wheat and other grain crops in the northern Great Plains. The insect is found across much of western North America though damage to wheat occurs primarily in Montana, the Dakotas, western Nebraska, eastern Wyoming, and the Canadian Prairie Provinces.

The wheat stem sawfly is a prolific pest to wheat in Colorado, causing extensive damage in the eastern parts of the Great Plains. Adult wheat stem sawfly measures about 1.9 cm (3/4 inch) long with smoky-brown wings.

The wheat stem sawfly (Cephus cinctus Norton) is the dominant pest of dryland wheat production in Montana and across much of the Northern Great Plains (Figure 1).

The sawfly, however, is native and as a result, has a natural enemy lurking right beside it: the parasitoid Bracon cephi is a tiny wasp, less than a quarter-inch in length, that feeds exclusively on the sawfly. The female wasp inserts an egg, through the stem of a …

2024年9月17日 · Wheat stem sawfly management involves controlling infestations, preventing crop damage, and promoting wheat health through integrated pest management techniques, biological control, and cultural practices.

Wheat stem sawfly, Cephus cinctus Norton (Hymenoptera: Cephidae) feeds the hollow stems of wheat and other cereals, usually above the 1st node below the head and causes white heads and flagging. Often an emergence hole is in the stem above the node. It …

2025年4月7日 · Wheat stem sawfly (WSS), Cephus cinctus (Hymenoptera: Cephidae), is a native grass-feeding insect and one of the most important pests of wheat in North America. Yield losses from WSS can be due to stem boring and/or stem cutting which causes plants to lodge. Current methods, such as solid stem varie …