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Cordulegastridae nymphs will almost entirely conceal themselves in sand or silt, exposing only their eyes to see, antennae for sensing prey, and the tip of their abdomen to breathe dissolved oxygen. [11] Nymphs will consume any prey they can capture, going as far as eating smaller larvae of the same species. [12]
Up to 15 pairs of long legs are attached to the rigid body. Together with the antennae they give the centipede an appearance of being 75 to 100 mm (3 to 4 in) in length. [ 6 ] The delicate legs enable it to reach surprising speeds of up to 0.4 meters per second (1.3 ft/s) running across floors, up walls and along ceilings. [ 7 ]
Megarhyssa nortoni is a predatory insect. Its larvae are parasitoids of horntail wasp larvae in coniferous trees. The adult female hunts horntail larvae for egg placement. It smells wood-eating fungus, utilized by the horntail larvae to predigest wood pulp, and uses its antennae to detect vibrations made by the horntail larvae.
Both the confused flour beetle and red flour beetle are small, about 3–6 mm (1/ 8 + 1 ⁄ 4-inch) in length, and reddish-brown in color. The primary distinguishing physical difference is the shape of their antennae: the confused flour beetle's antennae increase gradually in size and have four clubs, while the red flour beetle's antennae have ...
Adult houseflies are usually 6 to 7 mm (1 ⁄ 4 to 9 ⁄ 32 in) long with a wingspan of 13 to 15 mm (1 ⁄ 2 to 19 ⁄ 32 in). The females tend to be larger winged than males, while males have relatively longer legs. Females tend to vary more in size [2] and there is geographic variation with larger individuals in higher latitudes. [3]
The Nematocera (the name meaning "thread-horns") are a suborder of elongated flies with thin, segmented antennae and mostly aquatic larvae.This group is paraphyletic and contains all flies except for species from suborder Brachycera [4] (the name meaning "short-horns"), which includes more commonly known species such as the housefly or the common fruit fly.
During the Carboniferous Period, Earth's atmospheric oxygen levels surged, helping some plants and animals grow to gigantic proportions. One notable example was Arthropleura, the biggest bug ever ...
Megarhyssa male adults reach body lengths going from 2.3 to 3.8 cm (0.9 to 1.6 inches), while female adults can measure from 3.5 to 7.5 cm (1.5 to 3 inches). [3] Both sexes can be distinguished because females have an extremely slender, and long organ to lay eggs called the ovipositor.