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Pill bugs in the family Armadillidiidae are able to form their bodies into a ball shape, in a process known as conglobation. Conglobation has evolved independently in several families; this behaviour is shared with pill millipedes (which are often confused with pill bugs), [ 8 ] armadillos , cuckoo wasps , and some extinct trilobites . [ 9 ]
Armadillidium (/ ɑːr m ə d ɪ ˈ l ɪ d i ə m /) is a genus of the small terrestrial crustacean known as the woodlouse. Armadillidium are also commonly known as pill woodlice, leg pebbles, pill bugs, roly-poly, or potato bugs, and are often confused with pill millipedes such as Glomeris marginata.
Oniscidea (commonly known by a variety of names including woodlouse, pillbug, slater, roly-poly, potato bug, et al.) serve as hosts. Infection is associated with decreased responsiveness in the host, increased mortality and the emergence of an iridescent blue or bluish-purple colour due to the reflection of light off a paracrystalline ...
Armadillidium vulgare, the common pill-bug, potato bug, common pill woodlouse, roly-poly, slater, doodle bug, or carpenter, is a widespread European species of woodlouse. It is the most extensively investigated terrestrial isopod species. [ 2 ]
Additionally, pill bugs have a thorax consisting of 7 body segments, 5 abdominal segments, and a pleotelson, while Glomeris millipedes lack a visually defined thorax and have 12 body segments total. While the uropods of pillbugs are relatively quite small, flipping a pill bug over will reveal the small uropod overlapping the pleotelson. [41]
The giant isopods are noted for their resemblance to the much smaller common woodlouse (pill bug), to which they are related. [3] French zoologist Alphonse Milne-Edwards was the first [4] to describe the genus in 1879 [5] after his colleague Alexander Agassiz collected a juvenile male B. giganteus from the Gulf of Mexico.
Armadillidium vulgare, the (common) pill-bug or (common) pill woodlouse, a widespread woodlouse species found in Europe; Astrocaryum vulgare, the tucumã-do-Pará in Brazil, aouara in French Guiana or awarra in Suriname, a palm species native to Amazon
Armadillidium depressum, the southern pill woodlouse [5] is a large, relatively common British species of woodlouse characterized by its "splayed" appearance. Description [ edit ]