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1,048 results for “oocyte”
Figs. 27–30 in Oocytes, Larvae, and Cleptoparasitic Behavior of Biastes emarginatus (Hymenoptera: Apidae: Nomadinae: Biastini)
Figs. 27–30. Diagrams of postdefecating larva of Biastes emarginatus. 27. Entire larva, lateral view. 28. Right mandible, outer view. 29, 30. Head, frontal and lateral views respectively. ATP 5 anterior tentorial pit; PTP 5 posterior tentorial pit.
Figs. 23–26 in Oocytes, Larvae, and Cleptoparasitic Behavior of Biastes emarginatus (Hymenoptera: Apidae: Nomadinae: Biastini)
Figs. 23–26. SEM micrographs of first instar of Neopasites cressoni. 23. Head, near frontal view. 24. Close-up of part of left side of head in fig. 23. 25. Head, ventrolateral view. 26. Head, of another specimen, approximate ventrolateral view. ATP 5 anterior tentorial pit.
Figs. 8–15 in Oocytes, Larvae, and Cleptoparasitic Behavior of Biastes emarginatus (Hymenoptera: Apidae: Nomadinae: Biastini)
Figs. 8–15. SEM micrographs of head of first instar Biastes emarginatus. 8. Entire head lateral view. 9. Close-up of top of head showing position of antenna and linear row of sensilla across top. 10. Close-up of antenna with 4 sensilla. 11. Close-up of labrum, approximate lateral view. 12. Ventral view of head from behind showing mandibles and labiomaxillary region. 13. Close-up of labrum, approximate ventral view. 14. Close-up of labiomaxillary region, identified by rectangle in fig. 8, dashed line demarking boundary of sclerotized (above) and membranous (below) areas. 15. Close-up of membranous area of figure 14 identifying palpi and salivary opening. PTP 5 posterior tentorial pit.
Figs. 18, 19 in Oocytes, Larvae, and Cleptoparasitic Behavior of Biastes emarginatus (Hymenoptera: Apidae: Nomadinae: Biastini)
Figs. 18, 19. Microphotographs of cleared head of Biastes emarginatus, lateral (18) and ventral (19) views, respectively. Fig. 20. Microphotographs of cleared head of Neopasites cressoni, lateral view, showing greater curvature to frontal profile. Fig. 21. Microphotograph of side of cleared head of mature larvae of Biastes emarginatus, showing texture of integument associate with rear part of head. Fig. 22. Microphotograph of spiracle of mature larva of Biastes emarginatus, side view. PTP 5 posterior tentorial pit.
Figs. 16, 17 in Oocytes, Larvae, and Cleptoparasitic Behavior of Biastes emarginatus (Hymenoptera: Apidae: Nomadinae: Biastini)
Figs. 16, 17. SEM micrographs of first instar of Biastes emarginatus. 16. Integument of first abdominal segment showing transverse, multidentate spicules. 17. Close-up of area identified by rectangle in fig. 16.
Figs. 3–7 in Oocytes, Larvae, and Cleptoparasitic Behavior of Biastes emarginatus (Hymenoptera: Apidae: Nomadinae: Biastini)
Figs. 3–7. SEM micrographs of mature oocytes of Biastes emarginatus. 3. Entire oocyte, dorsal view, anterior end to the right. 4. Same, approximate ventral view. 5. Close-up of anterior end, near lateral view. 6. Close-up of micropyle and lamellate tubercle from fig. 5. 7. Anterior end of another oocyte, showing variation in shape of lamellate tubercle, anterodorsal view.
Figs. 1, 2 in Oocytes, Larvae, and Cleptoparasitic Behavior of Biastes emarginatus (Hymenoptera: Apidae: Nomadinae: Biastini)
Figs. 1, 2. Microphotographs of Biastes emarginatus. 1. Mature oocyte, lateral view, showing transparent, glassy chorion. 2. First instar apparently attacking another first instar.
Figs. 23, 24 in Last Larval Instar and Mature Oocytes of the Old World Cleptoparasitic Bee Stelis murina, Including a Review of Stelis Biology (Apoidea: Megachilidae: Megachilinae: Anthidiini)
Figs. 23, 24. Macrophotographs of cleared specimen of Stelis murina. 23. Spiracle, seen from inside body, showing spines on atrial wall and subparallel-sided subatrium. 24. Pleural swelling of abdominal segment 8 (identified by polygon), showing abundant setae and position of spiracle.
Figs. 13–15 in Last Larval Instar and Mature Oocytes of the Old World Cleptoparasitic Bee Stelis murina, Including a Review of Stelis Biology (Apoidea: Megachilidae: Megachilinae: Anthidiini)
Figs. 13–15. Macrophotographs of head of Stelis murina, showing pattern and configuration of pigmentation, frontal (13), lateral (14), and ventral (15) views.
Fig. 1 in Last Larval Instar and Mature Oocytes of the Old World Cleptoparasitic Bee Stelis murina, Including a Review of Stelis Biology (Apoidea: Megachilidae: Megachilinae: Anthidiini)
Fig. 1. Map showing the position of study sites 1 and 2 (Tel el-Kebir) and sites 3 and 4 (El- Huseiniya) in the vicinity of the Nile River Delta, northern Egypt.
Figs. 9–12 in Last Larval Instar and Mature Oocytes of the Old World Cleptoparasitic Bee Stelis murina, Including a Review of Stelis Biology (Apoidea: Megachilidae: Megachilinae: Anthidiini)
Figs. 9–12. Diagrams of mature larva of Stelis murina. 9. Entire larva with setae omitted, lateral view; scale line 5 1.0 mm. 10, 11. Right mandible showing little wear, dorsal view and outer view (latter view with apex in maximum profile), respectively. 12. Right mandible of another larva showing excessive wear, so that dorsal tooth completely absent and lower tooth greatly rounded, outer view. All mandibles to same scale. Scale line 5 1.0 mm refers to fig. 9.
Figs. 7, 8 in Last Larval Instar and Mature Oocytes of the Old World Cleptoparasitic Bee Stelis murina, Including a Review of Stelis Biology (Apoidea: Megachilidae: Megachilinae: Anthidiini)
Figs. 7, 8. SEM micrographs of egg of Osmia submicans. 7. Anterior end, rectangle identifying positions of micropyle. 8. Close-up of micropyle identified by rectangle in fig. 7.
Figs. 3, 4 in Last Larval Instar and Mature Oocytes of the Old World Cleptoparasitic Bee Stelis murina, Including a Review of Stelis Biology (Apoidea: Megachilidae: Megachilinae: Anthidiini)
Figs. 3, 4. Mature oocytes of Stelis murina (3) and of its host, Osmia submicans (4), diagrammed from macrophotographs to the same scale (scale line 5 1.0 mm), demonstrating similarity in volume and slight differences in shape; anterior ends to left.
Fig. 2 in Last Larval Instar and Mature Oocytes of the Old World Cleptoparasitic Bee Stelis murina, Including a Review of Stelis Biology (Apoidea: Megachilidae: Megachilinae: Anthidiini)
Fig. 2. The grain storage building at El-Huseiniya, site 4. Note erosion of adobe wall caused by nesting bees and hood of white pickup truck, lower left; see text for explanation.
Figs. 5, 6 in Last Larval Instar and Mature Oocytes of the Old World Cleptoparasitic Bee Stelis murina, Including a Review of Stelis Biology (Apoidea: Megachilidae: Megachilinae: Anthidiini)
Figs. 5, 6. SEM micrographic of mature oocyte of Stelis murina. 5. Anterior end, rectangle identifying position of micropyle. 6. Close-up of micropyle identified by rectangle in fig. 5.
FIGURES 17–21 in The Bee Svastra sabinensis: Nesting Biology, Mature Oocyte, Postdefecating Larva, and Association with Triepeolus penicilliferus (Apidae: Apinae: Eucerini and Nomadinae: Epeolini)
FIGURES 17–21. Macrophotographs of right mandible (with setae on outer edge accidentally removed), in 17. dorsal, 18. inner, 19. ventral views, respectively, 20, 21. Macrophotographs of spiracle of cleared specimen, showing fine spicules, pigmentation, and shallow atrium, in 20. outer and 21. side views, respectively.
FIGURES 10–14. 10 in The Bee Svastra sabinensis: Nesting Biology, Mature Oocyte, Postdefecating Larva, and Association with Triepeolus penicilliferus (Apidae: Apinae: Eucerini and Nomadinae: Epeolini)
FIGURES 10–14. 10. SEM image of front end of oocyte of Svastra s. sabinensis showing position of micropyle (arrow). 11. Same, close-up of developing micropyle. 12–14. SEM images of cocoon fabric. 12. Cocoon wall, showing lack of fenestration in fabric. 13. Cocoon disc, inner view, showing ample passageways through dense fibers. 14. Same, close-up of cut edge.
FIGURES 1–7 in The Bee Svastra sabinensis: Nesting Biology, Mature Oocyte, Postdefecating Larva, and Association with Triepeolus penicilliferus (Apidae: Apinae: Eucerini and Nomadinae: Epeolini)
FIGURES 1–7. Nesting site of Svastra s. sabinensis at 4 miles east of Willcox, Cochise Co., AZ. 1. Habitat picture showing B. Lawley at the nest. 2. Nest entrance (arrow) above pen when first discovered. 3. Students of Bee Course 2015 examining second nest entrance with first entrance identified by arrow. 4. Females emerging from nest entrance (photo by P. Muniz). 5. Partly exposed upper 15 cm of nest tunnel into which a slender straw had been inserted. 6. The author excavating the nest on the third day. 7. Inner surface of cell closure, showing spiral configuration.
Figs. 52, 53 in Oocytes, Eggs, and Ovarioles of Some Long-Tongued Bees (Hymenoptera: Apoidea)
Figs. 52, 53. Diagrams of mature oocytes of Melecta albifrons albovaria and Xeromelecta californica, respectively, lateral views drawn to same scale.
Fig. 48–51 in Oocytes, Eggs, and Ovarioles of Some Long-Tongued Bees (Hymenoptera: Apoidea)
Fig. 48–51. SEM micrographs of eggs of Sphecodopsis (Pseudodichroa) fumipennis, anterior ends facing left. 48. Entire egg, dorsal view, with partial cell lining of host, Scrapter crassula Cockerell, attached at anterior end. 49. Closeup of chorion from area identified by rectangle in fig. 48. 50. Opened operculum of another egg, dorsal view, showing position of multipored micropyle (rectangle). 51. Closeup of micropyle in fig. 50.
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