Search results
Results from the WOW.Com Content Network
Thirdly, plant morphology studies plant structure at a range of scales. At the smallest scales are ultrastructure, the general structural features of cells visible only with the aid of an electron microscope, and cytology, the study of cells using optical microscopy. At this scale, plant morphology overlaps with plant anatomy as a
Insect morphology is the study and description of the ... which are used to sense the characteristics of potential foods. The maxillae occupy a lateral position, one ...
Some species are predatory, but most of them feed on pollen and the chloroplasts harvested from the outer layer of plant epidermal and mesophyll cells. They prefer tender parts of the plant, such as buds, flowers and new leaves. [38] [39] Besides feeding on plant tissues, the common blossom thrips feeds on pollen grains and on the eggs of mites ...
Pollination of flowering plants by insects including bees, butterflies, flies, and beetles, is economically important. [162] The value of insect pollination of crops and fruit trees was estimated in 2021 to be about $34 billion in the US alone. [163] Insects produce useful substances such as honey, [164] wax, [165] [166] lacquer [167] and silk ...
The morphological characteristics which distinguish the order Lepidoptera from other insect orders are: [10]: 246 Head: The head has large compound eyes and, if mouthparts are present, they are almost always a drinking straw-like proboscis. Scales: Scales cover the external surface of the body and appendages.
The scale insect Dactylopius coccus produces the brilliant red-coloured carminic acid to deter predators. Up to 100,000 scale insects need to be collected and processed to make a kilogram (2.2 lbs) of cochineal dye. [89] A similar number of lac bugs are needed to make a kilogram of shellac, a brush-on colourant and wood finish. [90]
Lepidoptera (/ ˌ l ɛ p ɪ ˈ d ɒ p t ər ə / LEP-ih-DOP-tər-ə) or lepidopterans is an order of winged insects which includes butterflies and moths.About 180,000 species of the Lepidoptera have been described, representing 10% of the total described species of living organisms, [1] [2] making it the second largest insect order (behind Coleoptera) with 126 families [3] and 46 superfamilies ...
The microscopic mite Lorryia formosa (). The mites are not a defined taxon, but is used for two distinct groups of arachnids, the Acariformes and the Parasitiformes.The phylogeny of the Acari has been relatively little studied, but molecular information from ribosomal DNA is being extensively used to understand relationships between groups.