The head-capsule and mouth-parts of Diptera

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Johnson Reprint, 1915 - Diptera - 112 pages
 

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Page 57 - CRAGG, FW *I9I2. Studies on the Mouth-parts and Sucking Apparatus in the Bloodsucking Diptera. No. i. Philaematomyia insignis Austen. Sci. Mem. Med. Ind., No. 54; 15 pp. ; 5 pL Calcutta. DIM MOCK, G. 1881. The Anatomy of the Mouth-parts and of the Sucking Apparatus of some Diptera. Dissertation. 50 pp.; 4 pi. Boston. 1882. Anatomy of the Mouth-parts and of the Suctorial Apparatus of Culex. Psyche, 3:231-241. FREY, R. 1913. Uber die Mundteile der Mycetophiliden, Sciariden, und Cecidomyiiden. Acta...
Page 60 - Undescribed Palpi on the Proboscis of some Dipterous Flies, with Remarks on the Mouth-parts in several Families. Jour. Roy. Micr. Soc., 1902:412-416; 2 pi.
Page 59 - Hist. (6), 11:182-184. 1890-95. The Anatomy, Physiology, Morphology and Development of the Blow-fly (Calliphora erythrocephala). 778 pp.; 52 pi. London (RH Porter). MACCLOSKIE, G. 1880. The Proboscis of the House-fly. Am. Nat., 14:153-161; 3 fig. 1884. Kraepelin's Proboscis of Musca. Am. Nat., 18:1234-1244; 12 fig. 1888. The Poison-Apparatus of the Mosquito. Am. Nat., 22:884-888; 2 fig. MARLATT, CL 1896. The Mouth-parts of Insects, with particular Reference to the Diptera and Hemiptera. Abstract,...
Page 60 - London, 9:219-230. 1906. The Genitalia of both Sexes in Diptera and their Relation to the Armature of the Mouth. Trans. Linn. Soc. London, 9:339-386; 8 pi.
Page 9 - Cleared1 preparations mounted in balsam were also found useful. In making such preparations the parts were dissected, stained, and cleared in carbol-aniline oil. This oil evaporates slowly, will mix readily with safranin or orange G dissolved in 95% alcohol, and will clear from any grade of alcohol above 50%. The staining of material with safranin before mounting proved to be very useful in differentiating the almost colorless parts of some species. When using aniline oil it is necessary to remove...
Page 26 - ... tentorium are somewhat adjacent to the occipital foramen and the attachments of the maxillae are removed to or beyond the ventral margin of the head. Sciara (Fig. 81) is a good example of an early stage in the development of the above relationship. The variations in the shape and extent of the postgenae and the parapostgenae are well illustrated by the figures. Tentorium. — There is present within the head of generalized insects a definite arrangement of chitinized rods and plate-like structures...
Page 28 - ... are the more prominent. The dorsal arms (i. d) arise from the head-capsule just ventro-laterad of the antennae and connect with the arms of the epicranial suture (ae s). The invaginations of the anterior arms are situated near the ventral ends of the arms of the epicranial suture. The invaginations on each lateral half of the head are joined together by the arms of the epicranial suture and resemble the hypothetical type. Two pairs of invaginations are also present on the cephalic aspect of Simulium...
Page 26 - ... which go to support the internal organs and furnish points of attachment for muscles. These rods or plates extend from three pairs of openings on the head-capsule. These openings are known as the invaginations of the anterior arms, dorsal arms and posterior arms of the tentorium. The invaginations of the anterior arms are usually associated with the lateral margins of the clypeus and with one of the points of articulation of the mandibles. The invaginations of the dorsal arms are associated with...
Page 14 - Diptera have a dorso-ventral extension, and in this respect resemble the heads of many generalized insects. Some of the primary sutures, sclerites, and invaginations of the head of such an insect are present in a number of the Nematocera and in a few of the Brachycera. The hypothetical head-capsule has been constructed from these forms. The heads of the Acalyptratae and the Calyptratae are highly specialized by the modification, union, reduction, and membranous development of parts, consequently...
Page 22 - ... Their exposed surface is best seen from a cephalic view. The crescent-shaped frontal suture dorsad of the antennal fossae marks the line of invagination of the ptilinum. The origin of the ptilinum has not been determined. The vertex is the paired continuous area on the cephalic aspect of the head, and the region of the vertex ventrad and mesad of each compound eye is a gena. The compound eyes are usually large and located on the cephalolateral aspects of the head. They show secondary sexual characters...

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