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spotted lanternfly

(Encyclopedia)spotted lanternfly, common name for a planthopper, Lycorma delicatula, an insect that is native to China, India, and Vietnam, and is an introduced agricultural pest in Korea and the United States. The...

browntail moth

(Encyclopedia)browntail moth, common name for a moth, Nygmia phaeorrhoea, of the tussock moth family. It is a serious pest of forest and shade trees, especially oak. It was introduced from Europe about the same tim...

piculet

(Encyclopedia)piculet pĭkˈyələt [key], common name for a small bird of the family Picidae, which includes the woodpecker and the wryneck. Like the true woodpeckers, piculets are large-headed and have long, stic...

whale shark

(Encyclopedia)whale shark, large, plankton-eating shark, Rhincodon typus, found in all tropical seas of the world. Whale sharks are the largest fish in the world. A female typically reaches about 46 ft (14 m) in le...

Neva

(Encyclopedia)Neva nēˈvə, Rus. nyĭväˈ [key], river, 46 mi (74 km) long, NW European Russia, connecting Lake Ladoga with the Gulf of Finland, an inlet of the Baltic Sea. St. Petersburg is situated in its delta...

Mezen

(Encyclopedia)Mezen myĕˈzĭnyə [key], river, c.565 mi (910 km) long, rising in the Timan Hills, Komi Republic, NE European Russia, and flowing NW into the Mezen Bay of the White Sea. Its lower course is navigabl...

chiaroscuro

(Encyclopedia)chiaroscuro kyärōsko͞oˈrō [key] [Ital.,=light and dark], term once applied to an early method of printing woodcuts from several blocks and also to works in black and white or monotone. Today it i...

cobaltite

(Encyclopedia)cobaltite kōˈbôltīt, kōbôlˈtīt [key], opaque, silver-white, sometimes reddish or grayish mineral of the pyrite group, a compound of cobalt, arsenic, and sulfur, CoAsS. It occurs in crystals of...

Belaya

(Encyclopedia)Belaya byĕlˈəyə [key] [Rus.,=white], river, c.880 mi (1,420 km) long, Bashkortostan, E European Russia. It rises in the Ural Mts. and winds generally NW past Beloretsk, Sterlitamak (where it becom...

Palmer, Erastus Dow

(Encyclopedia)Palmer, Erastus Dow, 1817–1904, American sculptor, b. Pompey, N.Y., self-taught. A carpenter in his youth, he spent his leisure time cutting cameos. He progressed to carving bas-reliefs and then fig...