Entomology

1895 American Naturalist  
Two New Species of Lecanium from Brazil.-Lecanium reticulatum, n. sp., Y scale long. 11, lat. 5, alt. 3 mm. Smooth, ridgeless, shiny, dark brown, rather inconspicuously spotted with whitish. These whitish spots are not dermal, but consist of small patches of waxy secretion, which can easily be scraped off. Posterior incision 3 mm. long. Derm very strongly reticulate, reticulations large, 3, 4, 5 or 6-sided, each with a large oval gland-spot, placed more or less to one side. Walls of
more » ... alls of reticulations very thick. This reticulation of the derm is easily seen with a lens. Legs brown, ordinary. Coxa with two hairs at one end, one very lonog; tibia a little less than one-third shorter than femur; tarsus about one-quarter shorter than tibia. Tarsal digitules very long, slender, with only moderate knobs, which dilate rather gradually. Claw short, stout, curved. Digitules of claw small, but extending considerably beyond tip of claw, one larger than the other, stout, with only moderate knobs. Removed from the bark the insect leaves a patch of white secretion. A parasitised specimen is only 8 mm. long, and is yellowish-brown, with the reticulation black, very conspicuous with a lens; margin blackish. The parasite must have been a large one, the single hole being over 1 mm. diameter. Nab., o0l twigs of an unidentified woody plant, Sao Paulo, Brazil (Dr. H. Von Ihering). Three were sent, one spoiled by a parasite, the other two in good condition. One of the latter I boiled in caustic alkali, but was not able to obtain all the desirable details from it. The imperfection of the description does not particularly matter, since the species is very easily recognized. It is closely allied to L. depressum, Targ., but differs in its very much greater size. Leccanium baccharidis, n. sp., y scale long. 41, lat. 2S, alt. 1I mm. Dark brown, becoming eventually whitish-brown from a waxy or cottony material scattered over the surface. Where one scale overlapped another, the portion covered is bright orange-yellow with a greenish
doi:10.1086/276103 fatcat:zommbhbek5cjllbxqk4byeny3m