Western yellowjacket (Vespula pensylvanica) on a fennel flower (Foeniculum vulgare). Location: near Robber's Peak, Orange, CA, USA. The western yellowjacket is often a pest to humans. …

2023年5月17日 · The western yellowjacket, Vespula pennsylvanica, is the most common type in the western US. It nests in the ground, and is sometimes referred to as the “meat bee.”

2023年4月25日 · One of 2 species with a complete loop around the eye (may be absent in males), the other being V. sulphurea. Vespula pensylvanica was originally described by Henri Louis …

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Scientific Name: Several Vespula species (Table 1). Most common is the western yellowjacket, V. pensylvanica (Sausurre), and the prairie yellowjacket, V. atropilosa (Sladen)

The common western yellow jacket species have similar behavior. The queen emerges in the early spring from her paper nest where she over wintered as an adult embryo. She mates with …

2022年4月21日 · The yellow jacket is a bee-sized, black insect with distinct yellow markings on the head and yellow bands around the abdomen. The face is mostly yellow with dark eyes.

The western yellowjacket (Vespula pensylvanica) is a Nearctic species of wasp in the genus Vespula. It is native to regions of North America, largely in areas with northern temperate …

2008年3月14日 · V. pensylvanica is a social ground-nesting wasp native to western North America (Hymenoptera: Vespidae). This species can be a nuisance even within its native …

The western yellowjacket is yellow and black with no hairs. It's abdomen is blunt on the anterior side. Yellow jackets can pose a serious health risk to humans.