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14 results for “jumping insects”
Figure 1. A in Record of the jumping spider Pelegrina cf. aeneola (Araneae: Salticidae) feeding on insect eggs
Figure 1. A female Gray Swordgrass Moth, Xylena cineritia, near two clusters of recently-laid eggs. The cluster at top right was later attacked by a female Pelegrina cf. aeneola (Figures 2-5).
Figures 2-5 in Record of the jumping spider Pelegrina cf. aeneola (Araneae: Salticidae) feeding on insect eggs
Figures 2-5. Female Pelegrina cf. aeneola feeding on one cluster of the insect eggs. 2, Approaching and consuming the first egg. 3, Consuming her ninth egg. Notice the empty eggshells left behind. 4-5, Consuming the last of 10 eggs in total that were eaten.
Figures 7-8 in Record of the jumping spider Pelegrina cf. aeneola (Araneae: Salticidae) feeding on insect eggs
Figures 7-8. Comparison of intact eggs (7, detail from Figure 1) with eggs after
Figure 6 in Record of the jumping spider Pelegrina cf. aeneola (Araneae: Salticidae) feeding on insect eggs
Figure 6. Two days later most of the uneaten eggs in the top cluster were brown,
Fig. 9 in Jumping and Grasping: Universal Locking Mechanisms in Insect Legs
Fig. 9. Femoro-tibial joint of the hind legs in Alticini (Chrysomelidae) and Rhamphini (Curculionidae). A, B, Longitarsus sp., A, genuflexor sclerite in a locked position, B, genuflexor sclerite in an unlocked position, C, D Disonycha xanthomela, C, genuflexor sclerite in a locked position, D, genuflexor sclerite in an unlocked position, E, F, Orchestes mixtus, E, tibial flexor sclerite in an unlocked position, F, tibial fexor sclerite in a locked position (GFS = genuflexor scelite,TFS = tibial flexor sclerite, s = distal sclerotic element of the femoral abutment [=femoral abutment of Lever's trinagular plate], vfw = ventral femoral wall, distal to the left).
Fig. 7 in Jumping and Grasping: Universal Locking Mechanisms in Insect Legs
Fig. 7. SEM micrographs showing anatomical structures at the femoro-tibal joint of the fore leg of male T. dalmanni. A, internal (dorsal) view, B, ventral view, C, external (ventral view), D, ventral view, E and F, lateral view (GFS = genuflexor sclerite,TFS = tibial flexor sclerite, HL = Heitler's lump, pit = pit corresponding to the invagination of the femoro-tibial flexor tendon, fe-tifld = distal tibial flexor muscle [potential trigger or release muscle], fe-tiflp=proximal tibial flexor muscle, distal to the left).
Fig. 8 in Jumping and Grasping: Universal Locking Mechanisms in Insect Legs
Fig. 8. TEM and CLSM micrographs showing the femoro-tibial joint in T. dalmanni (TFS = tibial flexor sclerite, core = electron dense core ofTFS, cov = electron lucent external surface [coating] on the ventral portion of the TFS, col = electron dense external region [coating] on the lateral portion of the TFS, tib = tibia, fe-tifld = distal tibial flexor muscle [potential trigger or release muscle], fe-tiflp = proximal tibial flexor muscle, distal to the left).
Fig. 6 in Jumping and Grasping: Universal Locking Mechanisms in Insect Legs
Fig. 6. Synchrotron-based micro-CT micrographs showing the femoro-tibial joint of grasping legs. A–F, T. dalmanni, male, fore leg; G, H, Podagrion sp., female, hind leg (GFS = genuflexor sclerite,TFS = tibial flexor sclerite, HL = Heitler's lump, con = femoro-tibial conjunctiva, cnd = condyles [pivot points], tib = tibia, fem = femur, A–F, distal to the right, H, distal to the left).
Fig. 4 in Jumping and Grasping: Universal Locking Mechanisms in Insect Legs
Fig. 4. Synchrotron based micro-CT micrographs of the femoro-tibial joints of the stalk-eyed fly, Teleopsis dalmanni (Wiedemann, 1830). A–D, male fore leg; E, female fore leg; F, G, male middle and hind legs (GFS = genuflexor sclerite,TFS = tibial flexor sclerite, HL = Heitler's lump, fe-tifld = distal tibial flexor muscle (potential trigger or release muscle), fe-tiflp = proximal tibial flexor muscle, fem = femur, tib = tibia, A–D, distal to the left; E–F, distal to the top.
Fig. 5 in Jumping and Grasping: Universal Locking Mechanisms in Insect Legs
Fig. 5. Bright field images and CLSM micrographs of the femoro-tibial joint of grasping insect legs. A–D, T. dalmanni, female, fore leg; E–F, Ochthera sp., female, fore leg; G, Podagrion sp., female, hind leg; H, T. dalmanni, male, fore leg (GFS = genuflexor sclerite,TFS = tibial flexor sclerite, HL = Heitler's lump, ten = tendon of the femoro-tibial muscle, con = femoro-tibial conjunctiva; cov = glassy ventral layer of the tibial flexor sclerite; fe-tifl = tibial flexor muscle, pit = pit corresponding to the invagination of the femoro-tibial flexor tendon, tib=tibia).
Fig. 3 in Jumping and Grasping: Universal Locking Mechanisms in Insect Legs
Fig. 3. Line drawings showing the three major types of locking mechanisms in the ventral portion of the femoro-tibial joint. Left: extended position; Right: flexed position. (A, B) TFS over Heitler's lump without conjunctiva in between (grasping legs); (C, D) GFS locked at tip of femur, no conjunctiva in between (Alticini); (E, F) GFS over Heitler's lump with conjunctiva in-between (Orthoptera); (G, H) TFS locked at tip of femur, conjunctiva in between; GFS = genuflexor sclerite, TFS = tibial flexor sclerite, distal to the left.
Fig. 2 in Jumping and Grasping: Universal Locking Mechanisms in Insect Legs
Fig. 2. The femoro-tibial joint of the hind leg of the locust, Omocestus haemorrhoidalis (Charpentier, 1825) (Orthoptera:Acrididae); (A–C) closing of the joint, (D) open joint, (E) closed joint (conjunctiva is located between Heitler's lump and GFS), (F) open joint (CLSM), (G) same at greater magnification (GFS = genulexor sclerite, conj = conjunctiva between the site of origin of the tibial flexor tendon and the distoventral margin of the femur, HL = Heitler's lump, SLP = semilunar process, distal to the left).
Fig. 1 in Jumping and Grasping: Universal Locking Mechanisms in Insect Legs
Fig. 1. Generalized representation of an insect leg and modifications in the tibio-femoral joint for jumping and grasping.Two muscles connect the tibia and the femur.The tibial flexor (blue) bends (flexes) while the tibial extensor (brown) straightens (extends) the femoro-tibial joint.The tibial extensor is enlarged in a jumping legs (A), the two muscles are similar in their mass in walking legs (B), and the tibial flexor is enlarged in grasping legs (C).The locking mechanism between the tibial flexor muscle tendon and the ventral wall of the tibia is composed of the Heitler's lump (HL) and the genuflexor sclerite (GFS) in orthopterans (flexed (D) and extended (E) positions, modified after Gronenberg 1996; cx = coxa, tr = trochanter, tib = tibia, fem = femur, tar = tarsus; distal to the left).
Fig. 10 in Jumping and Grasping: Universal Locking Mechanisms in Insect Legs
Fig. 10. Synchrotron-based micro-CT micrographs showing the hind leg femoro-tibial joint of Gryllus campestris (slp = semilunar process, fem = femur, tib = tibia, HL = Heitler's lump, GFS = genuflexor sclerite, con = femoro-tibial conjunctiva, fe-tifl = tibial flexor muscle, fe-tiex = tibial extensor muscle, lines marked with E, F show the sites of sections on E and F, distal to the left).
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