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Oothecae are made up of structural proteins and tanning agents that cause the protein to harden around the eggs, providing protection and stability. [1] The production of ootheca convergently evolved across numerous insect species due to a selection for protection from parasites and other forms of predation, as the complex structure of the shell casing provides an evolutionary reproductive ...
The egg case is very smooth and lacks external fibrous material. [1] This egg case can be easily identified from all others in that it is the only one to have a steep ridge; giving the case a convex shape. [1] The keel on the egg case is considered very broad; representing 30–33% of the width of the egg case. [1]
The micropyle is situated on top in eggs which are globular, conical, or cylindrical; in those eggs which are flattened or lenticular, the micropyle is located on the outer margin or rim. [18] [62] The eggs of Lepidoptera are usually rounded and small (1 mm) though they may be as large as 4 mm in the case of Sphingidae and Saturniidae.
Entomological evidence collection is the process of collecting evidence based on insect clues used in criminal investigations.If evidence is not carefully preserved at a crime scene after a death, it may be difficult or impossible for an entomologist to make an accurate identification of specimens, if for example, all morphological characteristics are not preserved.
Leocarpus fragilis is a myxogastrid or acellular slime mold of the genus Leocarpus. [1] The common name in English is insect-egg slime mold. [2]L.fragilis can be found on leaf litter, typically in temperate and boreal forests where the ground litter is acidic.
On the surface, 28 ellipsoid eggs were visible, each measuring no more than 0.18 inches (4.65 millimeters) long and 0.07 inches (1.84 millimeters) wide (this is comparable to the eggs of modern ...
Eclosion is the process in which an adult insect emerges from its pupal case, or a larval insect hatches from its egg. In holometabolous insects, the circadian clock regulates the timing of adult emergence. The daily rhythm of adult emergence in these insects was among the first circadian rhythms to be investigated.
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