The female (above) has a long pointed tube at the back of her body, and this is often mistaken for a stinging organ. The nest, usually suspended in a tree or shrub, is mainly grey but often has coloured bands that reflect the different types of wood used in its construction. The adults can grow up to 1.5 inches in length, and they can infest both broad-leaved or needle-leaved trees. A very large and impressive insect which resembles a wasp or hornet, but is completely harmless. "It was an evil looking thing. A relative of the wasps, the female is black and yellow and has a long 'sting'; this is actually her ovipositor through which she lays her eggs into wood, especially pine. How Wood Wasps Can Affect Your Property? Instead, the large insect that has been giving residents pause looks much more like a giant horntail wasp, a wood-eating bug which â unlike the huge hornet â is harmless to humans, according to experts. They are called a wasp because of their resemblance to a wasp, but actually donât sting. Fortunately for the people of Hull, the Asian giant hornet, also known as the âmurder hornetâ is yet to be officially spotted there. Also called a wood wasp, this type of wasp has around 150 species and are usually brown, black or blue in color with yellow parts. The long ovipositor on the abdomen of the female is used to drill into dead or sickly pine trunks where eggs are laid and the larvae develop feeding on the wood for around three years. The newly found hornets have an â¦ Hi Alex, This is a Great Wood Wasp or Horntail, Urocerus gigas. A relative of the wasps, the female is black and yellow and has a long, stinger-like tail that is actually her ovipositor, which she uses to lay her eggs into wood, particularly pine. What is believed to be a giant wood wasp in Stonehouse (Image: Saraya Moore) "Murder hornets are here," said Saraya Moore. The terms âwood waspâ and âhorntailâ are actually used to describe various species of insects that belong to the family Siricidae of the order Hymenoptera and that inhabit wood structures. The Asian giant hornet is a wasp that is native to forests and mountains in temperate and tropical environments in East Asia. The Median Wasp is less aggressive than the two common wasps, despite being dubbed the âFrench killer waspâ by the press. The giant wood wasp (Urocerus gigas) is larger than the Asian hornet and is a relative of the wasps and can be found near pine woods, or places where pine timbers are used. What is a Wood wasp? You can read about it on the UK Safari website where it states: âSometimes called âhorntailsâ for obvious reasons. The waspsâ abdomen has a long spike that projects outward, and the females lay their eggs in trees. In fact itâs an ovipositor, which she uses to lay her eggs in the trunks of coniferous trees. 23 August 2013. The giant horntail is a massive sawfly that is also known as the 'giant woodwasp' or 'greater horntail wasp'. ... also known as a wood wasp. The Horntail is also known as the 'Giant Wood Wasp' or 'Greater Horntail' and is a massive sawfly. Giant wood wasp ( Urocerus gigas ) It's an â¦ Huge insect with giant stinger feared to be killer hornet found in familyâs garden. The Horntail also generally known as the âGiant Wood Waspâ or even âGreater Horntailâ which is a large sawfly, is usually discovered near pine woods, or even locations in which pine timbers are utilized.