The Ichneumonidae, also known as ichneumon wasps, ichneumonid wasps, ichneumonids, or Darwin wasps, are a family of parasitoid wasps of the insect order Hymenoptera. They are one of the most diverse groups within the Hymenoptera with …

2023年9月3日 · Ichneumon wasps are fascinating creatures belonging to one of the largest insect families, with over 4,000 species found across North America. These insects display a diverse range of forms, sizes, and colorations, making them an intriguing topic.

The long-tailed giant ichneumon wasp, Megarhyssa macrurus, belongs to a genus called the giant ichneumons. Using her 4-inch-long ovipositor, the female of this species drills through decaying wood to deposit eggs onto a larval pigeon tremex, a type of horntail wasp.

Ichneumon wasps are parasitoids, meaning their larvae feed and develop on or within the bodies of other arthropods. They parasitize many insect groups, especially Lepidoptera (moths and butterflies), Coleoptera (beetles), and other Hymenoptera (ants, bees, and wasps). Some utilize spiders as hosts.

2024年8月16日 · Ichneumonid wasps vary greatly in size and color: many are uniformly colored, from yellowish to black, while others are brightly patterned with black and brown or black and yellow; many have the middle segments of their antennae yellowish or whitish, while others are entirely blackish or brownish.

The ovipositor of ichneumonoids generally cannot deliver a sting as many wasps or bees do. It can be used to bore wood and lay eggs on hosts deep inside, or reach hosts hidden inside leaf shelters.

2022年7月11日 · Ichneumon Wasps are typically non-aggressive, non-threatening wasps that are often spotted in or around woodlands and forests, near log stacks, or by plants. Many females have a long, syring-like ovipositor that looks a lot like a stinger, but this appendage is used to inject eggs deep into wood.

2008年5月14日 · Ichneumon wasps are members of a large and very confusing family with over 3,000 species north of Mexico. It belongs to the subfamily Ophionidae. Ichneumons frequently have a white or yellow band on their antennae and they may be “twitchy.” Their long, often-curved abdomen may be “flattened.”

2016年1月26日 · Today’s wasp demonstrates the general body plan of Ichneumons—a long, thin, flattened abdomen (the name scorpion wasp refers to their often-arched abdomens), long legs, and long antennae (some groups have white or yellow band on their antennae), and a …

Common Name: Ichneumon Wasps. Description: One of the most abundant families in the order Hymenoptera, these wasps possesses many unique characteristics that allow them to stand out. Each forewing lacks a costal cell, but has a horsehead cell towards the middle of the wing.