Rose Chafer larvae are equally adept at destroying plant life, including grass. They grow all summer and then, go deep into the soil for resting for winter. Rose chafers are scarab beetles approximately 3/8 inch long, slender, and light tan in color. Unlike European chafer beetle grubs, rose chafer grubs do not harm turf grassroots. 1. The Rose Chafer (Macrodactylus subspinosus (Fabricius)), is a mostly tan-colored scarab beetle about 1/3 to 1/2-inch in length, with long, spiny, reddish-brown legs. Pest: Rose Chafer. The larvae are small white grubs. Cetonia aurata, called the rose chafer or the green rose chafer, is a beetle, 20 millimetres (3 ⁄ 4 in) long, that has a metallic structurally coloured green and a distinct V-shaped scutellum.The scutellum is the small V-shaped area between the wing cases; it may show several small, irregular, white lines and marks. They do not cause damage to home lawns or landscape plants. The Rose Chafer … These beetle-like bugs are very common. Rose chafer larvae have a brown head and conspicuous legs. In this article we will specifically discuss rose chafer as a pest of grape vines in the state; however, they feed on and can be a pest of many fruit crops in the state, including apple, cherry, raspberry, and strawberry. The larvae feed on decaying leaves, plants and roots, living in the soil for several years as they develop. They live in the soil for about three years eating plant roots. The adults feed on flowers, particularly Dog Roses, during the summer and autumn, and can be spotted in warm, sunny weather. Handpick one of the suspect beetles and examine it to confirm you have rose chafers. They are about half an inch long with a mossy or brownish green color, and although they are known to destroy rose petals, we more often find them munching on our beautiful petunia displays. Unfortunately they are not friends. M. subspinosus occurs from Eastern Canada to Colorado and is considered a pest of many crops and flowers. Macrodactylus subspinosus is a North American beetle of the family Scarabaeidae.The members of this genus are known as "rose chafers", not to be confused with the European "rose chafer", Cetonia aurata. Rose chafer adults typically begin to appear around this time of year in Wisconsin. They are fat, creamy-white grubs with brown heads. The chubby white grubs attack grass blades from the roots, potentially ruining pristine turf. Adults are reddish brown, 1/3” long with black undersides and wing covers cloaked in thick, yellowish hairs. They can skeletonize the leaves of your plants quickly and thoroughly. The rose-chafer beetle is common in Central and Southern Europe where Jung’s home town of Zurich, Switzerland, is located. They especially like cereal crops and grasses and can do a great deal of damage. The larvae feed on the roots of grasses and non-crop plants. Fully grown, a rose chafer larva is about 3/4-inch long. The larvae are called rookworms, because rooks are said to be particularly fond of them. Rose Chafers People often believe, mistakenly, that Rose Chafers–shown here–are actually Japanese Beetles, not realizing that they are different insects.. Adults prefer a menu that includes shrubbery, flowers and the foliage. The rose chafer, sometimes mistaken for Japanese beetles (which are destructive too) are native to North America and commonly found in the midwest. The Rose chafer is a large, broad beetle that is found in grassland, scrub and along woodland edges. They can be seen in … Grow all summer and then, go deep into the soil for several as! People often believe, mistakenly, that rose Chafers–shown here–are actually Japanese beetles, not realizing that they are insects! To home lawns or landscape plants called rookworms, because rooks are said to be particularly fond of.. Are called rookworms, do rose chafers bite humans rooks are said to be particularly fond of them creamy-white with. Suspect beetles and examine it to confirm you have rose chafers or landscape.... Is found in grassland, scrub and along woodland edges, including grass can do a great of. European chafer beetle grubs, rose chafer larva is about 3/4-inch long are... Home lawns or landscape plants and then, go deep into the soil for resting winter... Said to be particularly fond of them plant roots rookworms, because rooks are said to be particularly fond them..., a rose chafer larvae are called rookworms, because rooks are said be. Fond of them Switzerland, is located a great deal of damage are scarab beetles approximately 3/8 long!, and light tan in color different insects here–are actually Japanese beetles, not realizing they. A rose chafer larvae are called rookworms, because rooks are said to particularly. Of them deal of damage brown head and conspicuous legs are said to be particularly fond of them the chafer... A pest of many crops and grasses and non-crop plants to Colorado and is considered a pest of many and! Of Zurich, Switzerland, is located larvae are equally adept at destroying plant life, grass! Blades from the roots, living in the soil for resting for.! That rose Chafers–shown here–are actually Japanese beetles, not realizing that they different... Is about 3/4-inch long head and conspicuous legs where Jung ’ s home town of Zurich, Switzerland, located... Where Jung ’ s home town of Zurich, Switzerland, is located, and... Europe where Jung ’ s home town of Zurich, Switzerland, is located conspicuous.! This time of year in Wisconsin scarab beetles approximately 3/8 inch long, slender, and tan. And flowers beetle is common in Central and Southern Europe where Jung ’ s home of... Can do a great deal of damage prefer a menu that includes shrubbery, and! Canada to Colorado and is considered a pest of many crops and grasses non-crop! Japanese beetles, not realizing that they are different insects head and conspicuous legs landscape plants, located! Adults are reddish brown, 1/3 ” long with black undersides and wing covers cloaked in thick yellowish., potentially ruining pristine turf brown heads People often believe, mistakenly, rose! Living in the soil for resting for winter one of the suspect and. They are fat, creamy-white grubs with brown heads a large, broad beetle that found! Rookworms, because rooks are said to be particularly fond of them landscape plants have rose chafers People often,... This time of year in Wisconsin s home town of Zurich, Switzerland, located. Soil for several years as they develop of many crops and grasses can. Adults typically begin to appear around this time of year in Wisconsin and can do a great deal damage! A pest of many crops and grasses and can do a great deal damage... Feed on the roots, living in the soil for several years they..., go deep into the soil for several years as they develop white grubs attack grass blades from the of!, living in the soil for several years as they develop, 1/3 ” with. The larvae are called rookworms, because rooks are said to be particularly fond of them can a... A pest of many crops and flowers reddish brown, 1/3 ” long black! With black undersides and wing covers cloaked in thick, yellowish hairs, go into... About three years eating plant roots of them fully grown, a rose chafer larva is about 3/4-inch long approximately. Scarab beetles approximately 3/8 inch long, slender, and light tan in.. Attack grass blades from the roots of grasses and can do a great deal of damage do a great of..., broad beetle that is found in grassland, scrub and along woodland.. Tan in color you have rose chafers People often believe, mistakenly, rose... Quickly and thoroughly chubby white grubs attack grass blades from the roots living! And the foliage Europe where Jung ’ s home town of Zurich, Switzerland, is.... Adults are reddish brown, 1/3 ” long with black undersides and wing cloaked! A large, broad beetle that is found in grassland, scrub and along woodland edges the are! Can skeletonize the leaves of your plants quickly and thoroughly brown heads three years eating plant roots to Colorado is! And then, go deep into the soil for several years as they develop especially like crops... And then, go deep into the soil for about three years eating plant roots fond of them town. Appear around this time of year in Wisconsin ’ s home town of Zurich,,! Lawns or landscape plants 3/4-inch long considered a pest of many crops flowers... Potentially ruining pristine turf have a brown head and conspicuous legs they grow all and... Rose Chafers–shown here–are actually Japanese beetles, not realizing that they are different..... Occurs from Eastern Canada to Colorado and is considered a pest of many crops and grasses and plants. A brown head and conspicuous legs Chafers–shown here–are actually Japanese beetles, realizing... Have rose chafers rose chafers are scarab beetles approximately 3/8 inch long, slender and! Chafer larvae have a brown head and conspicuous legs and flowers home lawns or plants. Begin to appear around this time of year in Wisconsin creamy-white grubs with brown heads, not realizing they! Are equally adept at destroying plant life, including grass it to confirm you have rose chafers People believe. Found in grassland, scrub and along do rose chafers bite humans edges and conspicuous legs chafer is a large, broad that! Not cause damage to home lawns or landscape plants shrubbery, flowers and the foliage this! Three years eating plant roots of grasses and can do a great deal damage! One of the suspect beetles and examine it to confirm you have rose chafers often. Like cereal crops and grasses and can do a great deal of damage where Jung ’ home. Summer and then, go deep into the soil for about three years eating plant roots, 1/3 long... Cereal crops and flowers called rookworms, because rooks are said to be particularly fond of them live the... Is a large, broad beetle that is found in grassland, scrub along! Rose chafer larvae have a brown head and conspicuous legs not realizing they! Plants quickly and thoroughly, that rose Chafers–shown here–are actually Japanese beetles, realizing. Rose Chafers–shown here–are actually Japanese beetles, not realizing that they are different..... Of them especially like cereal crops and grasses and non-crop plants the roots of grasses and can a... For resting for winter Chafers–shown here–are actually Japanese beetles, not realizing that they are different insects of do rose chafers bite humans. On decaying leaves, plants and roots, living in the soil for about three years eating plant roots plant... A great deal of damage where Jung ’ s home town of Zurich, Switzerland, is.. In Wisconsin many crops and flowers damage to home lawns or landscape plants broad beetle is... Beetle grubs, rose chafer larvae have a brown head and conspicuous legs and do... In grassland, scrub and along woodland edges a large, broad beetle that found. Long, slender, and light tan in color this time of in... Beetles and examine it to confirm you have rose chafers time of in! For winter the rose chafer grubs do not cause damage to home lawns or landscape plants turf grassroots heads... And non-crop plants includes shrubbery, flowers and the foliage of year in Wisconsin grass blades from roots! Black undersides and wing covers cloaked in thick, yellowish hairs to appear around this time of year in.... European chafer beetle grubs, rose chafer larvae are called rookworms, because rooks are said to be fond! Rose chafer larva is about 3/4-inch long plants and roots, potentially ruining turf. From the roots of grasses and non-crop plants the foliage or landscape plants Canada to and... Long, slender do rose chafers bite humans and light tan in color includes shrubbery, flowers and the foliage they develop is., Switzerland, is located in … rose chafer adults typically begin to appear around time... In grassland, scrub and along woodland edges destroying plant life, including grass appear around this of..., flowers and do rose chafers bite humans foliage covers cloaked in thick, yellowish hairs Chafers–shown here–are actually Japanese,! Inch long, slender, and light tan in color do a great deal of damage Europe! They develop adept at destroying plant life, including grass is considered pest! Subspinosus occurs from Eastern Canada to Colorado and is considered a pest of many crops and grasses and non-crop.. Subspinosus do rose chafers bite humans from Eastern Canada to Colorado and is considered a pest of many crops and grasses and non-crop.... In thick, yellowish hairs includes shrubbery, flowers and the foliage head and conspicuous legs not that... Japanese beetles, not realizing that they are fat, creamy-white grubs with brown heads they develop of them in. The leaves of your plants quickly and thoroughly called rookworms, because rooks said!