Noun:

Horsetail,

horntail's Usage Examples:

Urocerus gigas (giant woodwasp, banded horntail, greater horntail) is a species of sawfly, native to the Palearctic realm and North Africa.

Tremex columba, also known as the pigeon tremex or pigeon horntail, is a species of horntail that is native to eastern and western North America.

cyaneus (blue horntail) is a species of horntail in the genus Sirex.

Urocerus albicornis (white-horned horntail) is a species of horntail native to North America.

dead wood bored by its host, the larva of a similarly large species of horntail.

Macrochlamys indica or the horntail snail is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk, in the family Ariophantidae.

Its larvae are parasitoids of horntail wasp larvae in coniferous trees.

The adult female hunts horntail larvae for egg placement.

Ypresiosirex is an extinct genus of sawfly in the horntail family Siricidae.

Sirex juvencus is a species of horntail found in Europe, Siberia, Sakhalin Island, Japan, the Philippines, Algeria and several other countries.

They are idiobiont endoparasitoids of the larvae of wood-boring horntail wasps.

Urocerus is a genus of horntails in the family Siricidae.

Tremex fuscicornis (tremex wasp) is a species of horntail, native to Europe and Asia, and has been introduced to Australia, Canada and Chile.

Xeris spectrum is a kind of horntail or wood wasp, that lives in coniferous forests.

Urocerus flavicornis, the yellow-horned horntail wasp, is a species of horntail native to North America.

Bulbophyllum maxillare, commonly known as the red horntail orchid, is a species of epiphytic orchid with tapered grooved, dark green to yellowish pseudobulbs.

Urocerus japonicus, commonly known as the Japanese horntail, is a species of sawfly, native to southeastern Asia.

Sonora in Mexico and parts of the United States Sirex cyaneus, the blue horntail, a wasp species native to Alberta, Canada Streptomyces cyaneus, an actinobacterium.