. Blood-sucking mosquitoes of the subtribe Culisetina (Diptera, Culicidae) in world fauna. Mosquitoes. 71. Fig. 40. Classes (0 to 5) of mandibular structure in the fourth instar larvae of various Culisetina. and restrict the oral cavity laterally and partly from below. The maxilla (Fig. 41) consists of small stipes with which are articulated the mandibular lobe and the palp. The stipes (Fig. 41, st) is in the form of a highly sclerotized triangular formation of the maxilla bearing a small but distinctly perceptible, 2-3-branched seta which may be called the stipal seta and, continuing the enum


. Blood-sucking mosquitoes of the subtribe Culisetina (Diptera, Culicidae) in world fauna. Mosquitoes. 71. Fig. 40. Classes (0 to 5) of mandibular structure in the fourth instar larvae of various Culisetina. and restrict the oral cavity laterally and partly from below. The maxilla (Fig. 41) consists of small stipes with which are articulated the mandibular lobe and the palp. The stipes (Fig. 41, st) is in the form of a highly sclerotized triangular formation of the maxilla bearing a small but distinctly perceptible, 2-3-branched seta which may be called the stipal seta and, continuing the enumeration of Marshall and other scientists, is assigned the number 21. With the stipes, the maxilla is joined with the articular tooth of the gena (Fig. 41, atg) with which the mandible is also joined. The maxillary body or the maxillary lobe (Fig. 41, /rax) is formed as a result of the fusing of outer (galea) and inner (lacinia) lobes of the primitive orthopte- ran maxilla. In Culisetina larvae, depending on the nature of feed- ing, the maxillary body may be flattened, rectangular and parallel or flattened, ellipsoidal and pointed toward the apex or any inter-. 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 Maslov, A. V; Ward, Ronald A. Washington : Smithsonian Institution Libraries : National Science Foundation


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