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Insects, like all arthropods, have no interior skeleton; instead, they have an exoskeleton, a hard outer layer made mostly of chitin that protects and supports the body. . The insect body is divided into three parts: the head, thorax, and abdomen
Mythimna separata, the northern armyworm, oriental armyworm or rice ear-cutting caterpillar, is a moth of the family Noctuidae. It is found in China, Japan, South-east Asia, India, eastern Australia, New Zealand, and some Pacific islands. It is one of the major pests of maize in Asia. [1] The species was first described by Francis Walker in 1865.
The most frequent type, found in the generality of Brachycera, is amphipneustic, while other types appear mostly in aquatic larvae. The larvae of Brachycera Cyclorrhapha have a wormlike appearance, with little differentiation of body regions (head, thorax, abdomen) to the point that they are commonly called, improperly, worms. These larvae have ...
The larvae are brightly colored, with tufts of hair-like setae. The head is bright red and the body has yellow or white stripes, with a black stripe along the middle of the back. Bright red defensive glands are seen on the hind end of the back. Four white toothbrush-like tufts stand out from the back, and a gray-brown hair pencil is at the hind ...
The head of a small white butterfly (Pieris rapae). Note the upward pointing labial palpi on both sides of the coiled proboscis. Comparison of moth and butterfly dorsal anatomy. Adult Essex skipper (Thymelicus lineola) Pupa of a sphingid moth Caterpillar of the subfamily Arctiinae Eggs of the buff-tip (Phalera bucephala), a notodontid moth
Melanchroia chephise, the white-tipped black or snowbush spanworm, is a moth of the family Geometridae. It is found from Florida and Texas, south to Paraguay. Strays have been recorded from Arizona, Oklahoma, Arkansas, Kansas and Illinois. The wingspan is about 33 mm. Adults are on wing from September to December.
Bone marrow is a semi-solid tissue found within the spongy (also known as cancellous) portions of bones. [2] In birds and mammals, bone marrow is the primary site of new blood cell production (or haematopoiesis). [3] It is composed of hematopoietic cells, marrow adipose tissue, and supportive stromal cells.
According to John Jarvis Bisset in his 1875 work Sport and War in South Africa, "The death's-head moth, as found in South Africa, is about the size and length of a man's finger, and it has a most perfect death's-head-and-marrowbones painted by Nature with all her beauty on its back. The legend both amongst the Dutch and the natives of the Cape ...