Horntail or wood wasp are any of the 150 non-social species of the hymenopteran family Siricidae, a type of wood-eating sawfly. The common name "horntail" derives from the stout, …

2024年8月3日 · Both sexes have an abdominal projection (horn). Females also have an ovipositor in a sheath. Color is useful in identification. forests of the Northern Hemisphere south to Cuba, …

Family: Siricidae. Description. Generally, horntail wasps are moderately large at about 37.5 mm (1.5 inches) and have broad heads with small eyes. Adult coloration is determined by its …

Female abdomen. The female abdomen has ten terga (singular: tergum) dorsally and seven sterna (singular: sternum) ventrally , of which terga 8-10 are conspicuously modified. Tergum …

The names “wood wasp” and “horntail” describe several kinds of wood-boring insects in the order Hymenoptera, family Siricidae. Of greatest concern are the large, nonstinging wasps that …

Female features are: - Abdomen large, particularly terga 8 and 9 . - Tergum 9 with a very large median impression (median basin) . - Tergum 10 developed as a horn (cornus) . - Long …

Siricidae (Hymenoptera: Symphyta: Siricoidea) of the Western Hemisphere. Canadian Journal of Arthropod Identification 21: 1-305. Sirex cyaneus female lateral habitus; photo by H. Goulet, CNC

2007年7月27日 · Woodwasps or siricids are also known as horntails because they have a spear-like spine, called a cornus, at the end of their abdomens. The presence of a cornus separates …

Family: Siricidae; Key Characteristics. Appearance: Robust and cylindrical bodies, often brightly colored. Ovipositor: Females possess a strong, pointed ovipositor used for boring into wood. …

Adults of S. nigricornis are large dark wasps that vary greatly in size, ranging from 1 to 1.6 inches (2.5 to 4 cm) in length. Typically, females are larger than males and possess a three-pronged …