In the spring, adult females lay eggs on various types of plants, on which the resulting larvae eventually feeds. [2], As caterpillars, they have a wide range of color phenotypes but show consistent adult coloration. Hornworms are among the largest of all caterpillars found in Colorado, some reaching lengths of three inches or more. Min height. Figure 7. Upcoming Events National Moth Week photos of insects and people. Larvae show wide variation in color. Subfamily: Macroglossinae. Pixels. Moth size ranges from 3.0 to 4.7-inch wingspan. A sphinx moth is the adult stage of the tomato hornworm: those big, ugly, destructive caterpillars we often see chomping away on our tomato plants during the summer. The dorsal hind region is crossed by six distinct white stripes and similar striping patterns on the wings. [5] They have also been seen in abundance in the mountains of Colorado, but their presence varies from year to year in many places. Yup, the dreaded tomato … Identification: Body is stout; abdomen has 2 bright yellow bands and a tuft at the end. [7], They are known to form massive populations which build up and force colonization of more northern regions. [4] This range extends from Central America to southern Canada through Mexico and most of the United States. Western Poplar Sphinx Moth Pachysphinx occidentalis Information on this Species is incomplete... White-lined Sphinx Hyles … ... Virginia Creeper Sphinx Moth Darapsa myron #7885: White-lined Sphinx Moth Hyles lineata #7894: White-lined Sphinx Moth Caterpillar Hyles lineata #7894: [8], Other studies have investigated its role as pollinators in flower morphology. Sphinx moth caterpillars vary in color and shape, depending on the species, but most have smooth skin. The upperside of the hindwing is dark brown with a band of whitish, wedge-shaped marks. They are sometimes erroneously referred to as the hummingbird moth because of their bird-like size (2-3 inch wingspan) and flight patterns. They are moderate to large in size and are distinguished among moths for their rapid, sustained flying ability (Scoble, 1995). The author speculates that tongues have lengthened in hawk moths of extratropical regions where it is more difficult and energetically costly to find larval food plants that are often inconspicuous, thus they need to take up more nectar at once to fuel their longer flights. There are also white lines that cover the veins. Similar Images . Bush, WSU Extension. [7], Caterpillars often form massive groups in search for food. Outbreaks have been reported in Utah that have damaged grapes, tomatoes and garden crops. [6], Though vision is a key component of H. lineata physiology, they do also have strong olfactory capabilities. The forewing is dark brown with a tan stripe which extends from the base to the apex. The hindwing are black with a thick, red-pink stripe in the middle. As they get closer to pupating, they will wiggle up closer to the surface which makes it easier to emerge. Figure 2. Photo—M. They are most commonly seen at dusk and dawn. [6], As stated above, H. lineata are commonly referred to as the hummingbird moth because their flight patterns resemble those of the hummingbird. Hawk moths, when feeding, tend to hover in front of flowers and control their hovering by visual cues from the flowers. Other hawk moth species with similar range overlap, specifically Sphinx vashti, show a correlation of annual presence with longer spurs on flowers. The upperside of the forewing is pale brown with lavender-gray at the base, with dark brown lines. Figure 1. Notorius for quickly decimating Pentas in the home garden! Individuals visiting Aquilegia chrysantha flowers in Pima County, AZ, had proboscis lengths very similar to the length of the nectar spur of the flower, suggesting coevolution. [2], Typically there are two generations per year, but warmer climate see more generations. Add an Observation. Try these curated collections. The top of the forewing is a dark olive-brown with lighter brown on the margin with a narrow tan band along the wingtip to the base, and white streaks on the veins. In all stages of their life, these insects are large. [7], Hyles lineata is one of the most abundant hawk moths in North America and has a very wide geographic range. It has long, narrow, triangular forewings and shorter hindwings, with a … Size (Adult; Length): 63mm to 90mm (2.46in to 3.51in) Colors: brown; white; black; ivory; pink; tan Descriptors: stripe, pink, large, flying [8], The adults will feed on different flowers depending on its behavior and on whether they are diurnal or nocturnal. This page was last edited on 11 January 2021, at 21:47. [2] This horn, which may sometimes be yellow and have a black tip, is not a stinger, and the caterpillars are not harmful to humans. Hyles lineata, also known as the white-lined sphinx, is a moth of the family Sphingidae. [5] As adults, they use both visual and olfactory perception to locate plants from which they collect nectar.[6]. The moth was first reported in California to SBMNH by a citizen of downtown Santa Barbara in 2015. Adult rustic sphinx moth, Manduca rustica … The winged wonder I saw that summer night was a sphinx moth, also called a hummingbird or hawk moth because of their large size and bird-like characteristics. My wingspan can be 2 to 8 inches from tip to tip. Their data also showed that the annual presence of H. lineata populations selects for whiter flowers. Family: Sphingidae. When alarmed, these larvae rear up their heads in a threatening sphinx-like posture and may emit a thick, green substance from their mouths. Here's how to add your images. Another instar (brown) of the Tersa Sphinx caterpillar. They are sometimes erroneously referred to as the hummingbird moth because of their bird-like size (2-3 inch wingspan) and flight patterns. White-lined sphinx moth. Whitelined sphinx, a common “hummingbird” moth. Photograph by Lyle J. Buss, University of Florida. Darwin guessed there “must be moths with probosces capable of extension to a length of between 10 and 12 inches!” Alfred Russel Wallace concurred, suggesting it must be a kind of sphinx moth. Adults are mostly nocturnal. Similar Images . The big poplar sphinx. The upperside of the forewing is pale brown with lavender-gray at the base, with dark brown lines. Size (Adult; Length): 78mm to 110mm (3.04in to 4.29in) Colors: brown, black, white, tan, gray Descriptors: large, huge, wavy, zigzag, white spot, black lines, flying Host Plants: Smooth buttonplant, Pentas (starclusters), Borreria, Catalpa, and Manettia. 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