Recognition of ladybird fauna (Col.: Coccinellidae) in the alfalfa fields of Khorramabad. Psyllobora (Thae) vigintiduopunctata is a very common coccinelid of cretan fauna. Aug 13, 2020 - Explore K. D. Wildflowers's board "Beneficial insects", followed by 2104 people on Pinterest. The females can lay 20-100 eggs, depending on the temperature and the abundance of food © San Martin. Left, complete mandible of a mycophagous ladybird, seen at the microscope. Bright colored animals like the Coccinellidae, the Lady Beetle family, are warning predators how bad they taste. Psyllobora vigintiduopunctata (often abbreviated to Psyllobora 22-punctata), the 22-spot ladybird, (earlier known as Thea vigintiduopunctata L.) is a 3–5 mm long ladybird commonly found in Europe . However there may be more to the colr than just warning predators. As its name suggests, there are 22 spots on this small species of lady beetle and it also has 5 spots on its pronotum. The Two-spot ladybird does not then correspond to a two years old specimen of the Seven-spot ladybird, as well as an old patriarch of Psyllobora with its 22 spots by sure should not have reached the respectable age of twenty-two years! The adult has the head yellow with a black spot on the vertix or on the rear part of the head, with pronotum often two-spotted in the male, and with black spot in the female prolonging on the upper lip. The elytra are yellow in color with 22 black spots. It is very small, 3 to 5 mm. Among the parasites, even if in limited number, are to be reported in particular some flies like the Phalacrotophora fasciata (family of the Phoridae) and Homalotylus flaminius (family of the Encyrtidae) as well as some small wasps of the family of the Braconidae such as Dinocampus coccinelae. They do not modify with the years, not even with the months: in any case no ladybird lives for more than two years! These ladybugs are also found in provinces such as Kerman, Mazandaran, and Gilan. Sep 18, 2016 - Explore Fiona Gray's board "Ugly bug ball" on Pinterest. This variety is quite small; measuring about 0.11 to 0.18 inches (3mm – 4.5mm) in length. Are present also 4 black spots on the abdomen, also grouped in couple on the sides (at times only two lateral black spots on the first visible segment). Unusual Ladybugs: Psyllobora vigintiduopunct. Psyllobora vigintiduopunctata larvae (A and B) and adult (C) on cucumber leaf consuming spores and hyphae of powdery mildew caused by Podosphaera xanthii. Most coccinellids are poisonous to smaller predators, such as lizards and small birds. The 22-spot ladybird (bottom row) is much (MUCH!) Ladybirds are beneficial insects, managing garden pests - encourage them by putting up a bug box. Return to Unusual Ladybugs → To appreciate the biodiversity within the BEETLES please click here. Jan 9, 2020 - Explore Faye Lynch's board "Insects", followed by 1533 people on Pinterest. The pattern of the two elytra may vary but the chromatic variations appear however rare. The populations seem to be stable and the Psyllobora does not appear, like the other ladybirds, on the list of the species protected by the European Community, as well as on a national scale, on the French and Belgian lists. This ladybird lives in the herbaceous and shrubby layer, rarely above a metre over the ground whilst other species live among the fronds of the trees. The scutellum is black. See more ideas about Black n yellow, Yellow, Shades of yellow. The pronotum is yellow with 5 black spots. Its annual cycle is neatly out of phase if compared to that of the ladybirds that nourish of aphids (aphidophagous – see for instance the Seven-spot ladybird and the Two-spot ladybird). The distribution in this summary table is based on all the information available. This does not prevent it to frequent assiduously the foliage of the woody plants but these are always young suckers, or small bushes or low brushwoods. The Journal of Animal & Plant Sciences. Scientific name: Psyllobora vigintiduopunctata. The larvae have a blackish head dotted of yellow and the integument, also yellow, is marked on the pronotum by 4 black maculae united in lateral couples. All these beetles had in common some anatomical features easy to observe, such as the antennae and the clavate feelers, as well as the hemispherical body. The 22-spot ladybird is still strictly mycophagous eating, on the leaves, moulds responsible of various forms of oidium and rusts © Giuseppe Mazza. 555 talking about this. Its complete development in nature has not yet been well determined but in a condition controlled in laboratory, are necessary 18 to 24 days to complete the cycle egg/larva/adult, depending on the type of mould utilized as nourishment.  The elytra are yellow in color with 22 black spots. The pronotum is yellow to beige, with five black spots arranged in two rows, rarely merged. This ladybird lives indicatively all the Palearctic region and the oases of the deserts, excluding the tundra. 1985. They eat the mildews and other microscopic fungi that grow on plant tissues. In western Europe the populations of this ladybird do not seem to be menaced by the human activities. Ansari Pour A, Shakarami J. The spotting of the elytra does not absolutely indicate the age of the ladybirds. The birth of the new generation occurs by the end of summer and the winter diapause also begins later and prolongs up to the following spring. Their elytra (fore wings) are yellow with 22 black spots, and their pronotum has five spots as well. "The only northeastern North American species of Psyllobora, P. vigintimaculata, is a small (2-3mm), yellowish species that occurs across the continent from Labrador to Alaska and south to Mexico. Also the fecundity varies enormously, passing from 20 to 100 eggs and is in part linked to the temperature and the food. Background Ladybirds (Coccinellidae) are a well-defined monophyletic group of small to medium sized beetles of the superfamily Coccinelloidea, the superfamily formerly known as the “Tell me what you eat and I will tell you where you can find me” …. This ladybird, with its yellow livery black spotted, is easy to recognize and cannot be mistaken, at our latitudes, except with the 14-spotted Ladybird (Propylea quatuordecimpunctata). Habitat: Shrubs in a mix of temporary wetland and forest. Actually, and with reason, it is sufficient to observe its mouth apparatus to understand the reason: to consume preys or vegetables are necessary specialized mandibles and those of the Psyllobora have a mycophagous ladybirds morphology. The 22-spot ladybird (Psyllobora vigintiduopunctata) is easy ro recognize due its 22 black spots on yellow background. We must note that in the male, the pronotum is at times paler than the elytra. Unlike the other coccinelids which feed mainly on aphids it is a fungus feeder. It can be found in low vegetation as on cultivated plants as well. Among the herbaceous plants, the preferred one appears to be the hogweed. In western Europe the larvae are observed mainly from late July to early September, optimal period of development of the rust on the panax. It can be 3 to 5 mm long. See more ideas about beautiful bugs, cool bugs, cool insects. 22-Spot Ladybug (Psyllobora vigintiduopunctata) The 22-spot ladybug is a type of ladybug that prefers to eat mildew grown on shrubs. Here while eating on a leaf of rose attacked by the oidium. Psyllobora Vigintiduopunctata. The higher the average temperature, the shorter the development will be. A new dimeric alkaloid, psylloborine A (3), was identified from the 22-pointed ladybird beetle Psyllobora vigintiduopunctata (L.).Psylloborine A exhibits an unusual heptacyclic ring system, derived from two azaphenalene units. Overview. The chrysalises are fixed on a vegetable support, often a leaf and have a smooth yellowish body, with four or five black spots linearly arranged on each single integument. Technically the yellow 22 spot though is thePsyllobora vigintiduopunctata. The tribe Coccinellini is a group of relatively large ladybird beetles that exhibits remarkable morphological and biological diversity.