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Spider Wasp

Anonymous Sat 20 Oct 06:51:17 2018 No.85781 View Reply Original Report

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Wasps in the family Pompilidae are commonly called spider wasps or pompilid wasps
Like other strong fliers, pompilids have a thorax modified for efficient flight. The metathorax is solidly fused to the pronotum and mesothorax; moreover, the prothorax is best developed in Pompilidae and Scoliidae because wasps in these families use their forelegs to dig.

Anonymous

View Same Google iqdb SauceNAO Wasp_June_2013-2a.jpg, 928KiB, 1474x1046

Anonymous Sat 20 Oct 2018 06:51:53 No.85782 Report

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Pompilids typically have long, spiny legs; the hind femur is often long enough to reach past the tip of the abdomen. The tibiae of the rear legs usually have a conspicuous spine at their distal end. The first two segments of the abdomen are narrow, giving the body a slender look. The pompilid body is typically dark (black or blue, sometimes with metallic reflections), but many brightly colored species exist. From a lateral view, its pronotum looks rectangular and it extends back to the tegulae, near the base of the wings. Most species are macropterous (having long wings), but a few brachypterous (short-winged) and apterous (no wings) species are known.

Anonymous

View Same Google iqdb SauceNAO Wasp_and_spider_02.jpg, 614KiB, 1601x1200

Anonymous Sat 20 Oct 2018 06:52:43 No.85783 Report

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Spider wasps are solitary wasps that use a single spider as a host for feeding their larvae. They paralyze the spider with a venomous stinger. Once paralyzed, the spider is dragged to where a nest will be built – some wasps having already made a nest.[5] A single egg is laid on the abdomen of the spider, and the nest or burrow is closed. Spider wasps protect their nests by putting dead ants into the outermost chamber, the chemicals within deterring predators.

<- Wasp dragging a spider to its nest

Anonymous

View Same Google iqdb SauceNAO Pompilid_Wasp_Anoplius_cf_infusc (...).jpg, 179KiB, 1200x363

Anonymous Sat 20 Oct 2018 06:53:38 No.85784 Report

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As mentioned above, the Pompilidae get their common name, "spider wasps", from their notable behavior of hunting and killing spiders, often larger than themselves, as food for their larvae. They provide each of their larvae with a single prey/host, which must be large enough to serve as its food source throughout its development. Pepsis thisbe of the southwestern United States exhibits a direct correlation between adult wasp body length and the weight of its host spider, Aphonopelma echina. Because the size of a P. thisbe adult is determined by the size of the host provided for it by its mother, the seasonal frequency of host sizes implicitly will determine the size variation in adult wasps

<- Spider-hunting wasp Anoplius dragging a spider larger than herself backwards across a sandy heath (four stages are shown in the composite image)

Anonymous

View Same Google iqdb SauceNAO Pompilid_Wasp_Anoplius_cf_infusc (...).jpg, 179KiB, 1200x363

Anonymous Sat 20 Oct 2018 06:54:44 No.85785 Report

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As mentioned above, the Pompilidae get their common name, "spider wasps", from their notable behavior of hunting and killing spiders, often larger than themselves, as food for their larvae. They provide each of their larvae with a single prey/host, which must be large enough to serve as its food source throughout its development. Pepsis thisbe of the southwestern United States exhibits a direct correlation between adult wasp body length and the weight of its host spider, Aphonopelma echina. Because the size of a P. thisbe adult is determined by the size of the host provided for it by its mother, the seasonal frequency of host sizes implicitly will determine the size variation in adult wasps

^ Spider-hunting wasp Anoplius dragging a spider larger than herself backwards across a sandy heath (four stages are shown in the composite image)

Anonymous

Anonymous Sun 21 Oct 2018 06:32:48 No.85819 Report

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Tarantula hawk wasps though

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