It is depicted on Egyptian tombs dating from the 4th century BC and evidence suggests it was cultivated in ancient Rome. The name is neo-Latin from Greek κριός, ram and κέρας, horn. What eats asparagus beetles? There are two kinds of asparagus beetles that like to eat asparagus — the Common Asparagus Beetle (Crioceris asparagi) and the Spotted Asparagus Beetle (Crioceris duodecimpunctata).. Their diversity has run parallel with that of the Angiosperms. Given their lifespan and extended emergence period, beetles are active for the entire fern season in asparagus. Spear initiation and root growth begin when the soil temperature is above 50°F. Its back also has a red border. The following photo is not of a wasp but in another family the robber fly. Larvae are grayish white. The “what” and the “when” of their feeding makes the common asparagus beetle the less welcome of the two. The adult beetles are red, yellow, and black in colour and about 7 mm (almost 0.3 inch) long. Others are beneficial due to their use in biocontrolof invasive weeds. It uses its antennae and/or ovipositor to detect hosts that are already parasitized and doesn’t waste its time on them, and it targets only the common asparagus beetle (alas for the 12-spotted; a different species in the wasp’s genus goes after them). The young hatch within a week and start feeding. Identification. 5-8, hibernating as adult. It is this adult stage that is the focus of control. Both species overwinter as adults in hollow asparagus stems, or under leaf litter, garden debris, or loose bark—that way, when the sun warms the soil and the asparagus spears poke their heads up in spring, the beetles are already in the neighborhood. Asparagus beetle, (genus Crioceris or Lema), any member of two genera that are important pests of the leaf beetle family, Chrysomelidae (order Coleoptera). [3], "Restricted geographic distribution and low genetic distinctiveness of steppic Crioceris quinquepunctata (Coleoptera: Chrysomelidae) populations in Central East Europe", "Leaf beetle collection of the Mátra Museum, Gyöngyös, Hungary (Coleoptera, Chrysomelidae, https://en.wikipedia.org/w/index.php?title=Asparagus_beetle&oldid=982485956, Short description is different from Wikidata, Creative Commons Attribution-ShareAlike License, This page was last edited on 8 October 2020, at 13:04. Asparagus beetle, (genus Crioceris or Lema ), any member of two genera that are important pests of the leaf beetle family, Chrysomelidae (order Coleoptera). Its larvae also eat the spears and leaves. This annoying insect is about half a centimeter long and is a metallic bluish-black color with white or yellow spots on its back. This species is less destructive than the common asparagus beetle because only the adults feed on asparagus plants. Family - (Chrysomelidae) - Chrysomelidae . Biology The common asparagus beetle is the first to wake up, and it also feeds on the lacy leaves, which can defoliate and weaken the plant, a perennial (no leaves = no photosynthesis = no food storage) and can make it susceptible to fungal infections. Biology The larvae are fat, grayish-green grubs with black heads. The colour of head, pronotum and elytra is reddish orange, while the scutellum is black. The adult beetles are red, yellow, and black in colour and about 7 mm (almost 0.3 inch) long. Temperatures can only get so low before beetles begin to die so beetles seek out shelter so they are protected as much as possible from freezing temperatures. These beetles, which live for one to two months, can feed on a multitude of plant species, including asparagus. Common asparagus beetle. Common asparagus beetles overwinter underneath plant debris, loose bark, or hollow stems of old asparagus plants. The larvae of both species pupate in cocoons in the soil. Females lay up to 30 eggs on the end of spear tips as they emerge from the soil. The 12-spotted beetles escape by flight. • Maggots are white, eel-like (early instars) or plump (later stages). Asparagus Beetles Crioceris species; Family: Chrysomelidae There are two species of beetles that attack and cause economic damage to asparagus in New York. Applying insecticides during warm, sunny days may increase the number of beetles coming into contact with insecticide residues. Adult beetles are only 1/4 inch long. Crioceris duodecimpunctata or the spotted asparagus beetle is a species of shining leaf beetle belonging to the family Chrysomelidae, subfamily Criocerinae . Control asparagus beetles in the fern season. Not all species in the genus Crioceris feed on asparagus (e.g., C. nigropicta). The common asparagus beetle has even made its way to Hawaii. The length of beetles varies from 5 to 6.5 millimeters. Spotted Asparagus Beetle Crioceris duodecimpunctata Information on this Species is incomplete... St. John's-wort Beetle Chrysolina hyperici Biocontrol Species Adult and larval leaf beetles feed on all sorts of plant tissue. Crioceris, or asparagus beetle, is a genus of the family Chrysomelidae of beetles. Genus: Asparagus Tourn. The name is neo-Latin from Greek κριός, ram and κέρας, horn. S & C. A Lily Beetle Lilioceris lilii.4-8 on various members of lily family, including cultivated forms. Both species use stridulation—making noise by rubbing two body parts together (in the case of asparagus beetles, a part of the abdominal exoskeleton rubs against teeth on the hard wing covers), both to scare predators and to communicate with other beetles. Asparagus grows best when growing conditions include high light intensity, warm days, cool nights, low relative humidity, and adequate soil moisture. One study in Massachusetts showed the wasp demolishing a hefty 50% of beetle eggs in an area and then parasitizing half of the remaining eggs. They may scoot over and hide on the other side of the stalk, may do the classic Chrysomelid drop to the ground, or may resort to secretions from defensive glands. The adult beetles are red, yellow, and black in colour and about 7 mm (almost 0.3 inch) long. They're a type of long-horned beetle from the Cerambycidae family. The insects feed on the shoots as they develop, causing them to bend in the direction in which the feeding damage occurs. Asparagus Miner Ophiomyia simplex Loew Family - Agromyzidae • Small black fly less than 0.2 inches long. Both beetles are aliens—Eurasian natives that arrived here in the second half of the 19th century and now occupy anyplace in North America where asparagus is grown. After some fun in the sun, the common asparagus beetle lays its eggs in rows of 3 to 8 on the new spears, leaves or flower buds. We tend to talk about them generically, but there are some important distinctions. Ladybugs, ground beetles, wasps, flies, predaceous stinkbugs, dragon and damselflies, damsel bugs, lacewings, and a variety of birds including farmyard fowl. Two insects we recommend scouting for are the common asparagus beetle and the twelve-spotted asparagus beetle. You may spot damaged spears before you see the pests themselves. Asparagus consisting of three hundred species is a large genus belongs to liliaceae family, of which twenty are. Adults are bright orange with six small black spots located on each wing cover. The two species don’t look much alike—the 12-spotted asparagus beetle can be mistaken for a ladybug at a quick glance (one source points out that they even have spots on their “kneecaps”), and the spotting on the common asparagus beetle is variable. When thinking of asparagus pests, we normally worry about early season feeding on developing spears. Asparagus Beetles Common Asparagus Beetle. There is a second species of asparagus beetle—the spotted asparagus beetle—which has 12 black spots on the wing covers. Tomatoes and Asparagus are good plants to grow near one another due to the fact that tomatoes keep the asparagus beetle away and asparagus repels certain types of root nematodes that are bad for tomatoes. Asparagus beetles are an annual insect pest of asparagus. Family: Asparagaceae Juss. There may be two generations of common asparagus beetles each summer here in God’s Country, and up to five generations a year where the growing season is longer. ... Asparagus beetle: Asparagus is attacked by beetle (Crioceris. Curries often result in stinky pee because of a body’s inability to filter out the cuminaldehyde in cumin and the linalool in coriander. Sandy soils warm earlier in the spring and encourage early spear production, while irrigation cools the soil and retards spear production. Adult spotted asparagus beetles also feed on leaves and spears, but the larvae do not. They’re lovely little beetles, and two species grace our area, the asparagus/common asparagus beetle (Criocerus asparagi) and the spotted/12-spotted asparagus beetle (Crioceris duodecimpunctata) (yes – Latin for “ 12-dotted ”). The common is, well, more common. Asparagus beetles, in the leaf beetle family Chrysomelidae, are asparagus specialists. The larvae are small, greenish gray, humpbacked grubs with dark heads. Compared to most other vegetables, asparagus is relatively winter hardy, with higher heat, drought, and salt tolerances. Characteristic mining damage along stem base: discol-ored reddish brown tunnel in a serpentine pattern. To protect their genetic investment, males guard females after mating, remaining piggyback during ovipositing. A Asparagus Beetle Crioceris asparagi. There are two generations per year, and they generally finish their life cycle by mid-summer. Asparagus beetles, in the leaf beetle family (Chrysomelidae), are asparagus specialists. Sheaves of asparagus shiver on beds of ice in grocery stores, and foragers are anxious for those first stalks of “volunteer” asparagus to peek up along the roadsides. The common is, well, more common. The primary physical difference is the milkweed beetle has longer antennae, and the arrangement of spots on the back differs between these two species. Injury first appears early in the spring on the emerging shoots. They’re not the only ones who are waiting. Some studies have found low genetic diversity among groups of isolated Chrysomelidae, and use Wolbachia species as a genetic marker. The spotted asparagus beetle, Crioceris duodecimpunctata, looks very similar in appearance, but is not related. There’s not much of a courtship, but she may parry his moves by turning her abdomen aside or by kicking. They’re lovely little beetles, and two species grace our area, the Asparagus/common asparagus beetle ( Criocerus asparagi) and the Spotted/12-spotted asparagus beetle ( Crioceris duodecimpunctata) (yes—Latin for “12-dotted”). One species of asparagus beetle is blue-black; another is orange with black spots. Both chew on asparagus spears, which can cause stunting and other cosmetic damage that make the asparagus unmarketable (and consumers don’t enjoy picking up a spear with a bunch of eggs glued to it or a smear of frass (bug poop) on it, either). Orange larvae are clothed … Common asparagus beetle: larva. Asparagus beetles undergo a physiological process to prepare their bodies to withstand freezing temperatures during winter. Asparagus Beetles (Family Chrysomelidae) March 8, 2017 Two species grace our area, the Asparagus/Common Asparagus Beetle and the Spotted/12-spotted Asparagus Beetle. • Pupae are brownish red, about 0.2 inches long. Chronological Index to the Field Station Bulletin, spear with a bunch of eggs glued to it or a smear of, lays its eggs in rows of 3 to 8 on the new spears, leaves or flower buds, The young hatch within a week and start feeding. Common Asparagus Beetle: Crioceris asparagi (L.) Common asparagus beetle: adult. Two species grace our area, the Asparagus/Common Asparagus Beetle and the Spotted/12-spotted Asparagus Beetle. Asparagus beetles, in the leaf beetle family Chrysomelidae, are asparagus specialists. Beetles and larvae … Some studies have found low genetic diversity among groups of isolated Chrysomelidae, and use Wolbachia species as a genetic marker. It is important to recognize and understand your target customers and base the size of the asparagus acreage on market potential. Crioceris duodecimpunctata (L.) Family – Chrysomelidae. If you see an odd-colored beetle that’s a bluish-black in color with red and white, it might be the common asparagus beetle, Crioceris asparagi. Species. It lays one egg at a time on the leaves; the larvae hatch, head for the fruits, and burrow inside. They feed on and deposit oval black eggs on… The number and quality demands of targete… Asparagus may be marketed successfully through roadside markets, pick-your-own, restaurants, CSA programs, or farmer's markets. The twelve spotted asparagus beetle is more common in Wisconsin than the common asparagus beetle. Female Chrysomelids have the ability to favor the sperm of a suitor by keeping eggs fertilized by a male if they like the cut of his jib and ejecting the sperm of previous males. Spotted Asparagus Beetle. Common asparagus beetle: shiny metallic blue-black with yellow and red spots Spotted asparagus beetle: reddish-orange with 6 spots per wing cover Larvae: olive-gray, hump-backed sluggish grubs However, late summer and fall scouting is important to get ahead of spring insect problems. However, if beetles are not active, contact with insecticide may be limited. Adults are slightly larger than common asparagus beetles. The 12-spotted gets out of the gate a little later in spring, and it also eats the spears and leaves, but its larvae concentrate on the fruits and don’t damage the plant (not a problem unless you raise asparagus for seed, and most growers don’t—they’re in it for the vegetable and they cultivate higher-yield, (seedless) male plants). Its most efficient predator seems to be a small, blue-black wasp, Tetrastichus asparagi, that is a parasitoid of the beetle larvae and that must develop a taste for them, because as an adult, it eats the egg masses. Leaf beetles have a tarsal formula which appears to be 4-4-4, but is actually 5-5-5. Optimum productivity occurs at … Some are difficult to tell from long-horned beetles (family Cerambycidae): it is done by the antennae not arising from frontal tubercles.. Common asparagus beetles have several arrows in their quivers. Asparagus Beetles (Family Chrysomelidae) March 8, 2017 Homer Hruby. ex L. Asparagus officinalis L.; Asparagus officinalis has been cultivated and harvested from the wild for thousands of years and has become an economically important crop. What does an asparagus beetle do when it’s alarmed? Asparagus, or garden asparagus, folk name sparrow grass, scientific name Asparagus officinalis, is a perennial flowering plant species in the genus Asparagus.Its young shoots are used as a spring vegetable.. Crioceris, or asparagus beetle, is a genus of the family Chrysomelidae of beetles. They feed on and … If you’re growing asparagus in your home garden, the asparagus beetle is a pest you will be all too familiar. The common asparagus beetle is mostly blue-black, but has cream-colored or pale yellow spots along its … Adults emerge from the soil in early spring and fly to new asparagus shoots where they mate and feed. Many are serious pests of cultivated plants, for example the Colorado potato beetle(Leptinotarsa decemlineata), the asparagus beetle(Crioceris asparagi), the cereal leaf beetle(Oulema melanopus), and various flea beetles, and a few act as vectors of plant diseases. The asparagus beetle and the lady bug look similar; the lady bug is about 1/4 inch or even smaller and rounder but the asparagus beetle is elongated. This year’s beetles come from last year’s fern, making fern-season control important. Asparagus beetle, (genus Crioceris or Lema), any member of two genera that are important pests of the leaf beetle family, Chrysomelidae (order Coleoptera). On the elytra there are twelve black dots. The common asparagus beetle is the more widespread of the two species. Order - Beetles - Coleoptera. [2] Not all species in the genus Crioceris feed on asparagus (e.g., C. nigropicta). 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