LYTTA

(Lat.), n. f. Li*t(lu6t)'tas. A genus of coleopterous insects. Cf. CANTHARIS. Ceratum lyttae. See Ceratum CANTHARID IS. L. aspers a. A species found in Buenos Ayres. More than 4 parts of cantharidin are obtained from 500 parts of the insect. [B, 5 (o, 35).] L,. a to maria. A Brazilian species thickly clothed with grayish-white hairs, except on the legs, which are black and naked. It is used in Brazil like cantharides. [B, 180 (a. 35).] L. atrata. An American species about one third of an inch long and uniformly black. [B, 81 (a, 35).] L,. ceerulea. The Cantharus cceridea; the blue blistering fly of Bengal. ["Pharm. Jour, and Trans.," 1871 (a, 39).] Cf. L. gigas. L. cichorli. The Mylabris cichorii. [a., 35. J L. cinerea. The ash-colored cantharis; a native of the Northern and Middle United States, equaling in vesicating properties the potato-fly but without the stripes of the latter. Its body and elytra are black. It is also found on the potato-plant, and sometimes on the English bean, wild indigo, and other plants. [B, 5, 180 (a, 35).] L,. i:i. The Lucerne blister-fly: a black species with ash colored elytra along the margin, found in France, Italy, the Levant, and in southern Siberia. ["Pharm. Jour, and Trans.,11 1871 (a. 3!)).] L. gigas. Ger., gro er Pflasterkafer. A dark-violet species found in Guinea, Senegal, and the East Indies, once used in European medicine as cantharides ccerulecK, but occurring rarely in commerce now. It is easily pulverized, and is larger than the common green cantharides, which it surpa es in vesicating properties. [B, 180 (a, 35).] L. gigas mas. See L. violacea.l.. marginal a. A species found in the latter part of summer on species of Clematis. It has elytra, head, thorax, and abdomen black and nearly covered with an ash-colored down; under the wings, on the upper part of the abdomen, are two longitudinal lines of a bright clay-color. It is said to be as efficient as other species in blistering qualities. [B, 5, 180 (a, 35).] L. nepal ens is. Nepal blistering fly; a black species having filiform antennae and elytra broadened toward the apex. [* Pharm. Jour, and Trans.," 1871 (a, 39).] L. N ut (ali i. A species found in great numbers in the plains of the Mi ouri by Colonel Long's exploring party. It has a greenish head with a red spot in front, a golden green thorax, reddish elytra slightly roughened on their outer surface, black feet, and bluish thighs. It has good blistering properties. [B, 5 (a, 35).1 L. pennsylvanica. See L. atrata. L. punctata. The punctate, blister-fly; a blackish-brown species having the elytra studded with numerous puncta. which, when denuded, are black. It is a native of Banda Oriental and Entre Rios. ["Pharm. Jour, and Trans.," 1872 (a, 39).] L. Kouxii. The yellow Deccan blistering fly; a black species covered above and below with short golden pubescence, and having pale brownish yellow elytra and tibiae. It is employed as a vesicant in Bombay. ['Pharm. Jour, and Trans.,11 1871 (a, 39).] L. ruflceps. A species having a black body and a rusty-red head, a very long abdomen, and the thorax covered with a soft fine down. It is indigenous to Java, where it is used as a vesicant. [B, 180 (o, 85).] L. segetmn. The Arabian blister-fly; a vesicating species found in Arabia, Sicily, and Algeria, having the upper side of the body bristling with a very short ash-colored down, and head and prothorax marked with rather large and close dots. ["Pharm. Jour, and Trans.," 1871 (o, 39).] L. syriaca. A species often used in adulterating German cantharides. It is smaller than L. rexii-a /</<, and has a red thorax. [L, 77 (a, 39).] L. vesica to ria. See CANTHARIS vesica to ria. L. vidua. King's blister-fly; a black vesicating species having the margin of the elytra and the base of the tibiae whitish. ["Pharm. Jour, and Trans.," 1872 (o, 39).| L. vlolacea. Ger., violetter Plasterkafer. A species resembling the L. gigas, and regarded by Buchner and Leuckart as the male of the latter species. [B, 180 (a, K5).] L. vittata. The potato-fly; a black species about six lines long, formerly official in tne U. S. Ph. It has a light-red head with dark spots on the top, yellow stripes acro the centre of the elytra (which are yellow also at their margin), three yellow lines on the thorax, and the abdomen covered with a cinereous down. It contains over 1 per cent, of cantharidin, and may be applied to the same purposes as cantharides. [B, 5, 180 (a, 35).] [s. 684]