Family Horntail Wasps (Siricidae)
Siricidae is a family in the order Hymenoptera. Browse 21 named species recorded in this family, or open an individual profile for its available identification and natural-history information.
Species in Siricidae (21)
Sirex longicauda
Sirex longicauda
Identification: Female: body black with metallic blue or green reflections; wings clear; legs with coxae and femora black, tibiae and tarsi reddish; second hind tarsomere elongate (unique to this species and S. areolatus ); ovipositor long with apica
White-horned Horntail Wasp
Urocerus albicornis
Identification: Middle of antennae, cheeks, bases of tibia and tarsi are white. White spots may occur on sides of abdomen.
Black-and-red Horntail Wasp
Urocerus cressoni
Identification: head, thorax and wings black, abdomen red (amount of red variable), two pale spots behind the eyes, antennae black with white tips
Yellow-horned Horntail Wasp
Urocerus flavicornis
Identification: Females have the 1st, 6th, and part of the 7th abdominal segments yellow. Males have the 2nd - 5th orange-yellow.
Asian Horntail
Eriotremex formosanus
Sirex areolatus
Sirex areolatus
Sirex californicus
Sirex californicus
Sirex cyaneus
Sirex cyaneus
Steely-blue Woodwasp
Sirex juvencus
Sirex nigricornis
Sirex nigricornis
European Woodwasp
Sirex noctilio
Sirex varipes
Sirex varipes
Pigeon Tremex
Tremex columba
Dark-horned Trembling Woodwasp
Tremex fuscicornis
Tremex longicollis
Tremex longicollis
California Horntail Wasp
Urocerus californicus
Urocerus taxodii
Urocerus taxodii
Xeris indecisus
Xeris indecisus
Xeris morrisoni
Xeris morrisoni
Pale-hipped Woodwasp
Xeris pallicoxae
Dark-hipped Woodwasp
Xeris spectrum