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The second antennae are plesiomorphically biramous, but many species later evolved uniramous pairs. [2] The second antennae may be significantly reduced (e.g. remipedes) or apparently absent (e.g. barnacles). The subdivisions of crustacean antennae have many names, including flagellomeres (a shared term with insects), annuli, articles, and ...
The primary part of antennae and legs (with the exception of the coxa) are a reddish yellow. The tarsi are a light yellow. The hindthighs have a metallic shine. Females are 3.5–4mm long, while males are 3–3.4mm long. The ovipositor is approximately 1.5 of the body length. [2] The female-to-male ratio of the species is approximately 3-to-1. [3]
The lenght and number of these Flagellomeres determine the lenght and size of the antennae which can vary between, but also within, different species of insects. The number and form uf these units is an important factor in determing species and sub-species. Date: July 2006: Source: Own work: Author: L. Shyamal: Permission (Reusing this file) cc ...
The number of segments in an antenna varies amongst insects, with higher flies having 3-6 segments, [21] while adult cockroaches can have over 140. [22] The general shape of the antennae is also quite variable, but the first segment (the one attached to the head) is always called the scape, and the second segment is called the pedicel.
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.
The Lygaeidae are a family in the Hemiptera (true bugs), with more than 110 genera in four subfamilies. The family is commonly referred to as seed bugs, and less commonly, milkweed bugs, or ground bugs. [1] Many species feed on seeds, some on sap or seed pods, others are omnivores and a few, such as the wekiu bug, are insectivores.
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 ...
The longhorn beetles (Cerambycidae), also known as long-horned or longicorns (whose larvae are often referred to as roundheaded borers), are a large family of beetles, with over 35,000 species described. [2] Most species are characterized by antennae as long as or longer than the beetle's body.