The Insects - Outline of Entomology 3th Edition - Chapter 6 pptx
The Insects - Outline of Entomology 3th Edition - Chapter 6 pptx
... renders the tissues sensitive to EH and permits the release of EH into the hemolymph (see section 6. 2.4 for further discus-sion of the actions of eclosion hormone). Apolysis at the end of the fifth ... range of insects. One of the earliestTIC 06 5/20/04 4:45 PM Page 164 168 Insect development and life historiesBox 6. 2 Calculation of day-degreesAn outline of a simple method to estimate day-degrees(after ... differentiation of the blastoderm leads to the formation of the germ anlage or germ disc (Fig. 6. 5a), which is the first sign of the developing embryo,whereas the remainder of the blastoderm...
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The Insects - Outline of Entomology 3th Edition - Chapter 1 ppt
... numbers of insects is the role of sexual selection in the diversifica-tion of many insects. The propensity of insects tobecome isolated in small populations (because of the fine scale of their ... classificationand their roles in our economic and wider lives. First,we outline the field of entomology and the role of ento-mologists, and then introduce the ecological functions of insects. Next, ... between the distribution of entomologists interested in biodiversityissues (the temperate northern hemisphere) and the centers of richness of the insects themselves (the tropicsand southern hemisphere).Studies...
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The Insects - Outline of Entomology 3th Edition - Chapter 2 pot
... defensive and other com-pounds are products of the epidermis, which is a near-continuous, single-celled layer beneath the cuticle.Many of these compounds are secreted to the outside of the insect ... pair of gonostyles (the third valves) derived from the distal part of the appendages of segment 9 (and homo-logous with the styles of the apterygotes mentionedabove). In each half of the ovipositor, ... clothed withadhesive setae that facilitate climbing. The left side of the vignette for this chapter shows the underside of the tarsus of the leaf beetle Rhyparida (Chrysomelidae).Generally the...
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The Insects - Outline of Entomology 3th Edition - Chapter 3 potx
... by the plant. By comparison,a macerate-and-flush strategy is typical of Heteroptera,such as mirids and coreids. These insects disrupt the tis-sues of plants or other insects by thrusting of the ... to be the primarymechanism for the movement of gases in the tracheaeand is always the sole mode of gas exchange at the tissues. The efficiency of diffusion is related to the dis-tance of diffusion ... a vacuum cleaner). The cuticular linings of the tracheae are shed with the rest of the exoskeleton when the insect molts. Usually even the linings of the finestbranches of the tracheal system...
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The Insects - Outline of Entomology 3th Edition - Chapter 4 ppsx
... insensitive to the wing tone of males of their species. Neither can the male detect the wing tone of immature females – the Johnson’s organin his antenna responds only to the wing tone of physio-logically ... cone of each omma-tidium focus light onto the distal tip of the rhabdomfrom a region about 2–5 degrees across. The field of view of each ommatidium differs from that of its neigh-bors and together ... together the array of all ommatidia provides the insect with a panoramic image of the world. Thus, the actual image formed by the compound eye is of aseries of apposed points of light of different...
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The Insects - Outline of Entomology 3th Edition - Chapter 5 pot
... transfer of sperm via the insertion of part of the male’s aedeagus (edeagus), the penis, into the repro-ductive tract of the female. In males of many species the extrusion of the aedeagus during ... Such move-ment, and sometimes also the presence of serrations on the tip of the ovipositor, is responsible for the pier-cing action of the ovipositor into an egg-laying site.Movement of eggs ... oviposition in insects. 5.1 BRINGING THE SEXES TOGETHER Insects often are at their most conspicuous when syn-chronizing the time and place for mating. The flashinglights of fireflies, the singing of crickets,...
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The Insects - Outline of Entomology 3th Edition - Chapter 7 pdf
... aswings held roof-like over the abdomen, fore wingseither membranous or in the form of tegmina of uni-form texture, and with the rostrum arising ventrallyclose to the anterior of the thorax, ... ormistaken. The fore-wing-derived halteres of strep-sipterans are gyroscopic organs of equilibrium with the same functional role as the halteres of Diptera (although the latter are derived from the ... with the curious-looking mecopterans, the snow fleas of the family Boreidae (Fig. 7 .6) .Strepsiptera is phylogenetically enigmatic, butresemblance of their first-instar larvae (called triun-gulins)...
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The Insects - Outline of Entomology 3th Edition - Chapter 9 ppt
... complex circulation of air through the passageways of the nest, as illustrated for the above-ground nest of the African Macrotermes natalen-sis in Fig. 12.10. The origin of the mutualistic relationship ... farming by leaf-cutter ants The subterranean ant nests of the genus Atta (15 spe-cies) and the rather smaller colonies of Acromyrmex(24 species) are amongst the major earthen construc-tions in ... hence the name “leaf-cutterants”. In Atta, the largest worker ants excise sections of live vegetation with their mandibles (Fig. 9.6a) andtransport the pieces to the nest (Fig. 9.6b). During theseprocesses,...
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The Insects - Outline of Entomology 3th Edition - Chapter 10 pdf
... hundreds of kilometers from shore in the Pacific Ocean. The dis-tribution of these insects coincides with mid-oceanicaccumulations of flotsam, where food of terrestrial origin supplements a diet of ... proponents of the pre-ferred exite–endite theory speculate that the progenitor of the pterygotes had aquatic immature stages. Supportfor the latter hypothesis appears to come from the factthat the ... into prox-imity by the stream flow.Many lotic insects are smaller than their counter-parts in standing waters. Their size, together with flex-ible body design, allows them to live amongst the cracksand...
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The Insects - Outline of Entomology 3th Edition - Chapter 11 ppsx
... Interpreting the early evolution of the angiosperms is contentious, partly because of the paucity of fossilized flowers prior to the period of radiation, and also because of the apparent rapidity of the ... sensory receptors of the wasp respond onlyto the volatile chemicals of its host fig, and the size andmorphology of the guarding scales of the fig ostioleallow entry only to a fig wasp of the “correct” ... nativerange. The host-specificity of potential control agentsmust be tested, either inside or outside the country of introduction and, in the former case, always in quaran-tine. The results of these...
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Từ khóa: the economic way of thinking 12th edition pdfthe economic way of thinking 13th editionthe wonderful wizard of oz summary by chapterthe economic way of thinking 13th edition pdfthe economic way of thinking 12th editionthe chemistry of life worksheet answers chapter 6Báo cáo thực tập tại nhà thuốc tại Thành phố Hồ Chí Minh năm 2018Nghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thốngchuyên đề điện xoay chiều theo dạngNghiên cứu sự hình thành lớp bảo vệ và khả năng chống ăn mòn của thép bền thời tiết trong điều kiện khí hậu nhiệt đới việt namNghiên cứu tổ chức chạy tàu hàng cố định theo thời gian trên đường sắt việt namBiện pháp quản lý hoạt động dạy hát xoan trong trường trung học cơ sở huyện lâm thao, phú thọGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitPhát triển du lịch bền vững trên cơ sở bảo vệ môi trường tự nhiên vịnh hạ longPhát hiện xâm nhập dựa trên thuật toán k meansNghiên cứu khả năng đo năng lượng điện bằng hệ thu thập dữ liệu 16 kênh DEWE 5000Tìm hiểu công cụ đánh giá hệ thống đảm bảo an toàn hệ thống thông tinThơ nôm tứ tuyệt trào phúng hồ xuân hươngThiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíTổ chức và hoạt động của Phòng Tư pháp từ thực tiễn tỉnh Phú Thọ (Luận văn thạc sĩ)BT Tieng anh 6 UNIT 2Tranh tụng tại phiên tòa hình sự sơ thẩm theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn xét xử của các Tòa án quân sự Quân khu (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtTrách nhiệm của người sử dụng lao động đối với lao động nữ theo pháp luật lao động Việt Nam từ thực tiễn các khu công nghiệp tại thành phố Hồ Chí Minh (Luận văn thạc sĩ)BÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘI