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Lac tubes created by Kerria lacca. Kerria lacca is a species of insect in the family Kerriidae, the lac insects.These are in the superfamily Coccoidea, the scale insects.. This species is perhaps the most commercially important lac insect, being a main source of lac, a resin which can be refined into shellac and other product
Kerriidae is a family of scale insects, commonly known as lac insects or lac scales.Some members of the genera Metatachardia, Tachardiella, Austrotacharidia, Afrotachardina, Tachardina, and Kerria are raised for commercial purposes, though the most commonly cultivated species is Kerria lacca.
The word lac is derived from the Sanskrit word lākshā '(लाक्षा) representing the number 100 thousand, which was used for both the lac insect (because of their enormous number) and the scarlet resinous secretion it produces that was used as wood finish, lacquerware, skin cosmetic, ornaments and dye for wool and silk in ancient India and neighbouring areas.
They are commonly known as bordered plant bugs because many have contrasting coloured edges to their hemelytra. There are fifteen genera and about one hundred species. They are mostly wide-bodied, have no ocelli and have a four-segmented rostrum. The bugs in this family are generally ground-dwelling or they scramble around in plants, bushes and ...
The specific name, robiniae, is derived from the name Robinia, which is the generic name of the black locust tree, Robinia pseudoacacia, on which the larvae feed.The name Robinia was coined by Linnaeus to honor the royal French gardeners Jean Robin (father) and Vespasien Robin (son).
Paratachardina pseudolobata, the lobate lac scale, is a polyphagous and pestiferous lac scale insect, which damages trees and woody shrubs in Cuba, Florida, the Bahamas and the Australian territory of Christmas Island.
These minute insects, colloquially known as hoppers, are plant feeders that suck plant sap from grass, shrubs, or trees. Their hind legs are modified for jumping, and are covered with hairs that facilitate the spreading of a secretion over their bodies that acts as a water repellent and carrier of pheromones . [ 1 ]
The adult sycamore lace bug is milky white in colour and between 3.2 and 3.7 mm (0.13 and 0.15 in) in length. It is similar in appearance to the cotton lace bug (Corythucha gossypii) and the Florida oak lace bug (Corythucha floridana), but lacks the brown crescent-shaped band on the carina (ridge on the body-wall) of the former and is larger than the latter.