. Contributions to the biology of the Danish Culicidae. Mosquitoes; Malaria. 91 other; the others with three or four lateral thorns; a large hair-tuft. Anal segment longer than wide, dorsal plate square, only reaching halfway down the sides; dor- sal tuft well developed with two very long stiff hairs. Ventral hrush consisting of thirteen rays in the barred area and before it three or four free rays; every ray carries from seven to ten hairs; anal gills long acute equal. Lateral tufts of labium well developed, no comb-hairs near palatum; palatum covered with long soft hairs. Mandibles quadrangu


. Contributions to the biology of the Danish Culicidae. Mosquitoes; Malaria. 91 other; the others with three or four lateral thorns; a large hair-tuft. Anal segment longer than wide, dorsal plate square, only reaching halfway down the sides; dor- sal tuft well developed with two very long stiff hairs. Ventral hrush consisting of thirteen rays in the barred area and before it three or four free rays; every ray carries from seven to ten hairs; anal gills long acute equal. Lateral tufts of labium well developed, no comb-hairs near palatum; palatum covered with long soft hairs. Mandibles quadrangular, two stout spines before the collar; a row of long cilia from collar; about ten spines from margin; dentition four. Textfig. 10. Pond in Stenholtsvang. Aides cinereus; Ochlerotatus cantans; communis. prodotes, rusticus, diantceus, Culicella morsitans. to live strong teeth and between them and the row of cilia three long thorns, the last very long and acute; five strong ciliated hairs below the teeth, process below furcate with strong hair-tufts on both tips, a group of hair at base. Maxillae elon- gate, tips conically rounded, divided by a suture; at the apex a large brush of long soft hairs, a strong seta near the apex below the brush. Between the suture and inner margin a coarse coating of short, soft hairs. No spines at margin. Palpes well developed with five little apical digits. Mentum triangular with arcuated sides, the median tooth but small and with about eleven teeth on each side. Colour of Hie body red brown with bright yellow head and golden brushes on labrum. Biology: I have found this peculiar mosquito only in one locality in the little bog of Stenholtsvang near Hillerod. In the same sample 23/y 1919, in which I found 12*. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Wesenberg-Lund, C. (C


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectmalaria, bookyear1920