They do, however, eat a variety of plants. They eat away the nodules and the plant suffers from. These are the true white grubs… Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles (Polyphaga) » Scarab, Stag and Bess Beetles (Scarabaeoidea) » Scarab Beetles (Scarabaeidae) » May Beetles and Junebugs (Melolonthinae) » Melolonthini » … 09 of 10. The Best Time to Apply GrubEx. contain species of economic concern being dealt with in forth-coming studies. Some turfgrass pests can wreak havoc in your lawn without ever being detected. So far as soybean is. Pests are discussed where they attack: Damage to seed, root system, leaves, stems and lastly to the pods. Beetles in this subfamily usually brown in colour, but may be black, metallic or bicoloured. The Ten Lined June Beetle, Polyphylla decemlineata ( Say) is very common throughout the PNW Region as a root feeding white grub which feeds on roots of crops, garden, and ornamental plants.The beetles emerge in the summer, … The nastier-looking grubs also chew the roots of plants, destroying grasses and other plantings from beneath the soil. concerned three species viz. They are the lavae of sawflies, small flying insects. Allantus cinctus by MedioTuerto / Getty Images Rose and pear slugs are two different insects, and neither is a true slug. The larvae of many scarab beetle species are often collectively referred to as white grubs – Phyllophaga, several species (spp. As a result of adaptions to specific food substrates and textures, the mouthparts of dung beetles, particularly the mandible, have undergone considerable evolutionary changes and … The astonishing spectrum of scarabaeine lifestyles makes them an attractive group for studies in entomology and evolutionary biology. June Beetles (May beetles, July Beetles) are found in the Subfamily Melolonthinae of the Scarab family. The most important pests are … Subfamily Melolonthinae - Chafer Beetles Family Scarabaeidae. Continue to 9 of 10 below. This page contains information and pictures about Chafer Beetles in Subfamily Melolonthinae that we found in the Brisbane area, Queensland, Australia. If you do have a severe problem with them, any broad spectrum insecticide should work. In Minnesota, larvae of the genus Phyllophaga (Harris, Figure 1) are the scarabs most often associated with damage to corn root systems. Green bean pests are a common problem in commercial and home grown areas. proper nitrogen supply. ... June bugs fall into the sub-family of Melolonthinae (Britannica Encyclopedia) They all feature heavy, oval-shaped bodies, but have several differences depending on … ); Coleoptera: Scarabaeidae – and can be found in soil, decaying wood and manure. 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