A species of crab spider with holarctic distribution. In North America it is called the goldenrod crab spider or flower (crab) spider, because it is commonly found hunting in goldenrod sprays in the autumn. Young males in the early summer may be quite small and easily overlooked, but females can grow up to 10 mm (0.39 in) (excluding legs); males reach 5 mm (0.20 in) at most.
W moth of the family Sesiidae. It is found in Western Canada and much of the Eastern United States. The wingspan is 18–25 mm. The moths are on wing from June to July, but in the United States from April on.
A species of hymenopteran in the family Megachilidae. It is found in Europe & Northern Asia (excluding China) and North America by introduction. A tiny black bee associated with the flowers of various bellflowers (Campanula species). Common and widespread in much of England, but absent from Wales, Scotland and Ireland. It is commonly found in town and village gardens, and nests in old beetle holes or the exposed ends of thatch. Flies from June to early August. the abdomen is narrow and cylindrical, which is probably an adaptation to using small-bore beetle burrows as nest sites. The males have the final segment of the abdomen modified to form a two-pronged peg which is used to hold on inside flowers during the night or in poor weather, which gives a good method for recording the bees under such conditions.
A medium-sized, mostly brown, gray, and yellow bird named for its wax-like wing tips. It is a native of North and Central America, breeding in open wooded areas in southern Canada and wintering in the southern half of the United States, Central America, and the far northwest of South America. Its diet includes cedar cones, fruit, and insects. The cedar waxwing is not endangered.
The genus name Bombycilla comes from the Ancient Greek bombux, “silk” and the Modern Latin cilla, “tail”; this is a direct translation of the German Seidenschwanz, “silk-tail”, and refers to the silky-soft plumage of these birds. The specific cedrorum is Latin for “of the cedars”
Typically seen sending up a spray of leaf litter as they kick around in search of food, Fox Sparrows are dark, splotchy sparrows of dense thickets. Named for the rich red hues that many Fox Sparrows wear, this species is nevertheless one of our most variable birds, with four main groups that can range from foxy red to gray to dark brown. Since they breed primarily in remote areas, many people see them in winter when the birds move into backyard thickets.
A North American butterfly species in the cosmopolitan genus Limenitis. It has been studied for its evolution of mimicry, and for the several stable hybrid wing patterns within this nominal species; it is one of the most dramatic examples of hybridization between non-mimetic and mimetic populations.
Limenitis arthemis can be split into two major groups, mainly based on one physical characteristic: the presence of a white band along the wings. Individuals of the northern group, called white admirals, have a conspicuous white band that traverse both the dorsal and ventral surfaces of the wing, while those of the southern group, called red-spotted purples, lack that trait as they have evolved to mimic the poisonous pipevine swallowtail (Battus philenor). Due to overlap in distribution among the two major groups, intermediates are numerous as hybridization occurs frequently.
Breeding range is restricted almost entirely to the boreal forest zone of Canada, extending into southeastern Alaska and the extreme northern fringe of the United States. Most migrants move along the eastern seaboard east of the Mississippi Valley, crossing the Gulf of Mexico to and from wintering grounds in Central and northern South America.
Numbers of transients and breeders fluctuate markedly from year to year, often in response to periodic outbreaks of spruce budworm caterpillars, on which the species is a well-documented specialist. Breeding-population densities recorded during budworm epidemics may exceed 500 males/100 ha, and Tennessee Warblers often rank as the most abundant breeding species in boreal forests of eastern Canada. Long-term (30-year) continental census data show no significant population increases overall, and the species is probably more abundant now than it was in the nineteenth century, because of its exploitation of budworm outbreaks and use of successional habitats following commercial logging operations.
A genus of flowering plants in the family Euphorbiaceae. It is the sole genus of the subtribe Acalyphinae. It is one of the largest euphorb genera, with approximately 450 to 462 species. The genus name Acalypha is from the Ancient Greek ἀκαλύφη (akalúphē) (“nettle”), an alternative form of ἀκαλήφη (akalḗphē), and was inspired by the nettle-like leaves. General common names include copperleaf and three-seeded mercury. Native North American species are generally inconspicuous most of the year until the fall when their stems and foliage turn a distinctive coppery-red.
A species of flowering plant in the daisy family Asteraceae. It is one of several species in the genus Artemisia commonly known as mugwort, although Artemisia vulgaris is the species most often called mugwort. It is also occasionally known as riverside wormwood, felon herb, chrysanthemum weed, wild wormwood, old Uncle Henry, sailor’s tobacco, naughty man, old man or St. John’s plant (not to be confused with St John’s wort). Mugworts have been used medicinally and as culinary herbs.