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A female black fungus gnat. A gnat ( / ˈnæt /) is any of many species of tiny flying insects in the dipterid suborder Nematocera, especially those in the families Mycetophilidae, Anisopodidae and Sciaridae. [1] Most often they fly in large numbers, called clouds. "Gnat" is a loose descriptive category rather than a phylogenetic or other ...
Insect physiology includes the physiology and biochemistry of insect organ systems. [ 1] Although diverse, insects are quite similar in overall design, internally and externally. The insect is made up of three main body regions (tagmata), the head, thorax and abdomen. The head comprises six fused segments with compound eyes, ocelli, antennae ...
Insect morphology is the study and description of the physical form of insects. The terminology used to describe insects is similar to that used for other arthropods due to their shared evolutionary history. Three physical features separate insects from other arthropods: they have a body divided into three regions (called tagmata) (head, thorax ...
Insects live in a world of motion. This leaf-footed bug climbs wind blown grass and flies off. Insects (from Latin insectum) are hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body ( head, thorax and abdomen ), three pairs of jointed legs ...
the part of the antenna distal to the pedicel composed of one or more segments, called flagellomeres. (Anatomical feature) the posterior opening of the head capsule, covered by the cervix. (Anatomical feature) the pair of wings of a four-winged insect closest to the head. small, pit-like structure in the exoskeleton.
Antenna (biology) Large antennae on a longhorn beetle. Antennae ( sg.: antenna ), sometimes referred to as "feelers", are paired appendages used for sensing in arthropods . Antennae are connected to the first one or two segments of the arthropod head. They vary widely in form but are always made of one or more jointed segments.
An insect 's respiratory system is the system with which it introduces respiratory gases to its interior and performs gas exchange . Air enters the respiratory systems of insects through a series of external openings called spiracles. These external openings, which act as muscular valves in some insects, lead to the internal respiratory system ...
Caterpillar of the subfamily Arctiinae. Eggs of the buff-tip ( Phalera bucephala ), a notodontid moth. The external morphology of Lepidoptera is the physiological structure of the bodies of insects belonging to the order Lepidoptera, also known as butterflies and moths. Lepidoptera are distinguished from other orders by the presence of scales ...