These beetles usually appear around late April – early May and can frequently be seen and heard flying into lit windows and even lamps indoors! Cockchafer Description. Hoplia philanthus is a similar size with a black head and thorax and reddish brown wing cases. They live as adults for a mere six weeks during which time the female can lay as many as 80 eggs. The larvae, if present in large numbers, can occasionally be pests of commercial vegetable crops, pastures, and grassed amenity areas such as lawns and grass-sports facilities (e.g. Despite a rather formidable appearance, the May bug is harmless and is only a minor agricultural/amenity pest. Phytiatrie-Phytopharmacie, 27(4):297-306. 222879/SC038262, Damage to lawns is most obvious between autumn and spring when the grubs are reaching maturity, Birds, particularly of the crow family (jays, magpies, rooks and crows), badgers and foxes tear up turf in order to access the grubs to feed on them, Damaging infestations can be very localised and sporadic, Chafer grubs can be found in the soil under the loose turf. Buglife - The Invertebrate Conservation Trust is a company limited by guarantee, registered in The name cockchafer means 'big beetle' in Old English. The grubs feed on plant roots causing primary damage as the turfgrass dies back due to … It is referred to in the U.K as a 'May Bug'. Learn more. The young larvae prefer the dead and decaying organic matter, while the older larvae feed on roots of grasses. A couple of weeks later the grubs are hatched, and get feeding on your roots right away. Life begins as an egg laid around June – July, hatching into a white grub which lives underground. However, cherry and plum orchards in southern Europe sometimes suffer economic losses from Cockchafer feeding. They overwinter as larvae and pupate in the soil in the spring. Watch Queue Queue English-Ukrainian transcription dictionary . This website uses Google Analytics to collect anonymous information such as the number of visitors to the site, and the most popular pages. This video is unavailable. Strictly Necessary Cookie should be enabled at all times so that we can save your preferences for cookie settings. Cockchafer grub - larva of a beetle that feeds on grass roots causing yellow patches. These grubs, or larvae, live underground … It has characteristic antennae that fan out. In spite of its slightly frightening size and noisy flight, the adult Cockchafer is harmless. The Royal Horticultural Society is the UK’s leading gardening charity. Stag beetles are uncommon and cause no damage in gardens and should be welcomed. Description: The cockchafer is about 2.5cm in length and is the largest species of chafer beetle in the UK. Chafer grubs are the soil-dwelling larvae of chafer beetles. Not many people seem to remember them as they are rare in places but in some areas it is a common activity for children to go round swatting them with tennis racquets. The grubs feed on roots but do not cause significant damage until early autumn, by which time the larvae are becoming fully grown. It was indeed a Cockchafer Grub. That said, the problems caused in lawns are most commonly caused by the Garden Chafer and the Welsh Chafer. Cockchafer, NNR Dersingham Bog, Robert Smith 2/2 Cockchafer Melolontha melolontha This large flying beetle, also known as the may-bug, it is easily recognisable with its feathery antennae, pointy abdomen and mahogany coloured wing cases, and can be spotted between the months of May to July. By the way, they love moist ground, even delaying hatching during drought - bit of a mystery why they hatch so quickly in the UK ! Description: There are four common species of Chafer grubs in the UK; the Cockchafer, the Garden Chafer, the Summer Chafer and the Welsh Chafer. There they feed upon the life-giving roots of corn, grass and young nursery trees, killing off the plants. Lawn grub cockchafer feeding on lawn grass roots. The chafers (or Maybugs) produce the largest grubs, up to 5cm (2in) long. They also feed on the roots of plants like petunias, corn, grapevines, tomatoes, etc. The cockchafer is the largest of the six UK chafer species at 30 mm. You can find out more about which cookies we are using or switch them off in settings. Join
In heavily infested gardens, the adult beetles fly up from turf in large numbers at dusk from late May to June. Biological control suppliers (pdf document). Cockchafers are HUGE, noisy flying beetles that usually fly at night in May or June, and if you don't know what they are, their noise can be quite frightening. The adults beetles emerge from their pupa in … Volume 10. Yellowheaded cockchafer Sericesthis harti, Sericesthis spp. Sapcote. In Ancient Greece, it is described as a common practice for boys to catch a Cockchafer, tie a linen thread to its feet and then enjoy it flying in circles. There are nearly 20 species of chafer in Britain, most do not cause problems in gardens The larvae have white bodies, brown heads and three pairs of legs the largest species, the cockchafer or Maybug (Melolontha melolontha) can reach 50mm in length. Photo: Nordic Food Lab, licensed under CC BY-SA 4.0 We are using cookies to give you the best experience on our website. And, of course there is the cockchafer Beetle grub, which causes severe root damage. Fried Cockchafer Grubs. In Ancient Greece, it is described as a common practice for boys to catch a Cockchafer, tie a linen thread to its feet and then enjoy it flying in circles. With its rusty-brown wing cases, pointed 'tail' and fan-like antennae it is unmistakeable. Cockchafers, Melolontha melolontha, are relatively large beetles belonging to the scarab family. The adult cockchafer beetles are dark brown to black in colour, have long fine legs and are approximately 10 to 11mm long (Figure 1). Part 4a(i). About Chafer grubs Adult chafers range in size, the biggest at 30mm in length being the Cockchafer, and the smallest the Welsh chafer at 11mm. The garden and welsh chafer are 10 mm with metallic blue-green head and 15 - 20 mm with brown head respectively. Q What are chafer grubs?. A Chafer grubs are the larvae of large, flying beetles. Some species of chafer grub eat the roots of grasses and other plants. The cockchafer is also known as the maybug because it has a strong association with this month, a time of year which has always been rich in wildlife and welcomed by people. Blaisinger P, Casanova M, Gentet C, Habert M, Pelletier L, Riffiod G, Robert PC, Varlet G, 1978. The young larvae prefer the dead and decaying organic matter, while the older larvae feed on roots of grasses. Adults of the common cockchafer reach sizes of 25–30 mm; the forest cockchafer is a little smaller (20–25 mm). The Cockchafer has long been a source of fascination for children. A Chafer grubs are the larvae of large, flying beetles. © Viktor Kitaykin/Getty When’s the best time to see cockchafers? They too like roots but restrict themselves to lawns. Chafer beetles are the common name for one of many species of Scarabaeidae flying beetles in the UK.
I would be grateful for any feedback and constructive criticism in the form of comments to the article. Before agricultural intensification these beetles were especially problematic, so much so that adults were caught and killed to break the life cycle, in 1911, more than 20 million individuals were collected in 18 km² of forest. Chafer grubs Print page . Well, I won't anymore! When just laid, the oval eggs of the common cockchafer (Melolontha melolontha) are 2 x 3 mm, but they increase in size by absorbing water. The chafer species most often found damaging lawns are the garden chafer, Phyllopertha horticola, and the welsh chafer, Hoplia philanthus; the latter is often found in sandy soils and is not confined to Wales. This is a species that feeds on decomposing organic matter and as such is a useful garden insect. times, RHS Registered Charity no. One species of chafer grub is often found in compost heaps, the larvae of the rose chafer (Cetonia aurata). 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