Beetles in this subfamily usually brown in colour, but may be black, metallic or bicoloured. They do, however, eat a variety of plants. Continue to 9 of 10 below. 09 of 10. This page contains information and pictures about Chafer Beetles in Subfamily Melolonthinae that we found in the Brisbane area, Queensland, Australia. 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 … concerned three species viz. The most important pests are … In Minnesota, larvae of the genus Phyllophaga (Harris, Figure 1) are the scarabs most often associated with damage to corn root systems. They eat away the nodules and the plant suffers from. proper nitrogen supply. contain species of economic concern being dealt with in forth-coming studies. 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 » … Subfamily Melolonthinae - Chafer Beetles Family Scarabaeidae. Pests are discussed where they attack: Damage to seed, root system, leaves, stems and lastly to the pods. These are the true white grubs… Any of numerous rather large leaf-eating scarab beetles (subfamily Melolonthinae) that fly chiefly in late spring and have larvae that are white grubs which live in soil and feed chiefly on the roots of … So far as soybean is. Green bean pests are a common problem in commercial and home grown areas. ... June bugs fall into the sub-family of Melolonthinae (Britannica Encyclopedia) They all feature heavy, oval-shaped bodies, but have several differences depending on … The nastier-looking grubs also chew the roots of plants, destroying grasses and other plantings from beneath the soil. They are the lavae of sawflies, small flying insects. Melolonthinae, with the remaining scarab subfamilies that. 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, … If you do have a severe problem with them, any broad spectrum insecticide should work. Rose and Pear Slugs . Allantus cinctus by MedioTuerto / Getty Images Rose and pear slugs are two different insects, and neither is a true slug. ); Coleoptera: Scarabaeidae – and can be found in soil, decaying wood and manure. 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