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Fig. 8. Antennal s in Types and functions of mole cricket (Orthoptera: Gryllotalpidae) antennal and palpal sensilla

Fig. 8. Antennal s. coeloconicum (type I), located in the cuticular pit (×28k) (A), in contrast to s. ceoloconicum (×25k) (type II) positioned on the antennal surface (B). S. campaniformia, proprioreceptor, can be located on the tip of the segment (× 17k) (C) and at the midsection (× 21k) (D).

Fig. 3 in Types and functions of mole cricket (Orthoptera: Gryllotalpidae) antennal and palpal sensilla

Fig. 3. Sensilla chaetica, the most abundant sensilla on S. vicinus antennae. Antennal surface of S. vicinus with s. chaetica positioned in the flexible sockets (mag- inifaication ×9k) (A), aporous ridged surface of the sensillum (magnification ×6k) (B), antennal segment and different types of sensilla, s. chaetica types I and II (schI and II), arranged into transverse patterns, type III s. chaetica (sch III) are small and evenly distributed on the flagellomere (×600) (C). Row of s. basioconica (sb) and s. trichodea (si) (C) usually observed on the apical portion of the flagellomere.

Fig. 2 in Types and functions of mole cricket (Orthoptera: Gryllotalpidae) antennal and palpal sensilla

Fig. 2. Böhm sensilla (Bs) (SEM, ×1.1k and ×2K) (A, B) on the S. abbreviatus pedicel (×500) (C) and scape (×650) (D).

Fig. 7 in Types and functions of mole cricket (Orthoptera: Gryllotalpidae) antennal and palpal sensilla

Fig. 7. Sensillum trichodium (st) located at the distal part of flagllomere together with s. chaeticum (sch), s. basioconicum (sb) and s. coeloconicum (sc) (×9k) (A); cross-section of s. trichodium (B) showing presence of the sensillum lumen (sl) with dendrites (d) and thick wall (sw) with pores (wp) (C).

Fig. 1 in Types and functions of mole cricket (Orthoptera: Gryllotalpidae) antennal and palpal sensilla

Fig. 1. SEM photos of the flagellum mid-section of N. hexadactyla (A), S. abbreviatus (B), S. vicinus (C) and S. borellii (×140) (D).

Fig. 5 in Types and functions of mole cricket (Orthoptera: Gryllotalpidae) antennal and palpal sensilla

Fig. 5. Transmission electron micrographs (A, B) and the longitudinal section of s. basioconicum (sb), located on the tip of the each segment (C), indicate presence of the wall pore (wp), sensilla lumen (sl) and dendrites (d).

Fig. 6. Short s in Types and functions of mole cricket (Orthoptera: Gryllotalpidae) antennal and palpal sensilla

Fig. 6. Short s. basioconica (×22k and 15k) (sb) (A), arranged in transverse row on the apical part of antennal segment of N. hexadactyla (×900) (B).

Fig. 4 in Types and functions of mole cricket (Orthoptera: Gryllotalpidae) antennal and palpal sensilla

Fig. 4. Transmission electron micrographs of s. chaetica type I and II (A, B) which are not innervated and are dense inside with thick sensillum wall (sw), type III s. chaetica have less dense sensillar lumen (sl) and are innervated with 4 dendrites (d) (C, D).

Fig. 9 in Types and functions of mole cricket (Orthoptera: Gryllotalpidae) antennal and palpal sensilla

Fig. 9. Mole cricket labial and maxillary palps are densely covered with sensilla (× 300) (A). The dominant type is s. chaetica (× 8k) (B), other types include s. coeloconica (×15k) (C) with tip-pore (× 40k) (D), single-wall tip-pore sensilla (× 9k) (E) and club-like s. basioconica (× 11k) (F).

Fig. IV in Scanning electron microscope observations on the antennal sensilla of two stored grain pests Trogoderma granarium and Trogoderma variabile (Coleoptera: Dermestidae)

Fig. IV (1–4). Comparisons of antennal sensilla between Trogoderma species and sexual genders. 1. Male and female sensilla of T. granarium; 2. Male and female sensilla of T. variabile; 3. Male antenna of T. granarium and T. variabile; and 4. Female antenna of T. granarium and T. variabile.

Fig. II in Scanning electron microscope observations on the antennal sensilla of two stored grain pests Trogoderma granarium and Trogoderma variabile (Coleoptera: Dermestidae)

Fig. II (1–9). Antennal sensilla of T. granarium. 1. SC1: sensilla chaetica 1 bar = 5.0 μm; 2. SC2: sensilla chaetica 2, bar = 15.0 μm; 3. SC3: sensilla chaetica 3, bar = 17.2 μm; 4. SB1: sensilla basiconica 1, bar = 2.0 μm; 5. SB2: sensilla basiconica 2, bar = 3.0 μm; 6. SB3: sensilla basiconica 3, bar = 3.0 μm; 7. SB4: sensilla basiconica 4, bar = 2.0 μm; 8. SB5: sensilla basiconica 5, bar = 2.5 μm; and 9. BB: Böhm bristles, bar = 2.3 μm.

Fig. I in Scanning electron microscope observations on the antennal sensilla of two stored grain pests Trogoderma granarium and Trogoderma variabile (Coleoptera: Dermestidae)

Fig. I (1–4). Full views of antenna of T. granarium and T. variabile. 1. Antenna of female T. granarium; 2. Antenna of male T. granarium; 3. Antenna of female T. variabile;and 4. Antenna of male T. variabile.

Fig. III (1–9). Antennal sensilla of T. variabile. 1. SC1: sensilla chaetica 1, bar = 3.0 μm; 2. SC2: sensilla chaetica 2; SC3: sensilla chaetica 3, bar = 8.6 μm; 3. SC2: sensilla chaetica 2, bar = 15 μm; 4. SC3: sensilla chaetica 3, bar = 15.0 μm; 5. SB1: sensilla basiconica 1, bar = 3.0 μm; 6. SB2: sensilla basiconica 2, bar = 4.3 μm; 7. SB5: sensilla basiconica 5, bar = 4.3 μm; 8. SCo: sensilla coeloconica, bar = 1.5 μm; and 9. BB: Böhm bristle, bar = 6.0 μm. in Scanning electron microscope observations on the antennal sensilla of two stored grain pests Trogoderma granarium and Trogoderma variabile (Coleoptera: Dermestidae)

Fig. III (1–9). Antennal sensilla of T. variabile. 1. SC1: sensilla chaetica 1, bar = 3.0 μm; 2. SC2: sensilla chaetica 2; SC3: sensilla chaetica 3, bar = 8.6 μm; 3. SC2: sensilla chaetica 2, bar = 15 μm; 4. SC3: sensilla chaetica 3, bar = 15.0 μm; 5. SB1: sensilla basiconica 1, bar = 3.0 μm; 6. SB2: sensilla basiconica 2, bar = 4.3 μm; 7. SB5: sensilla basiconica 5, bar = 4.3 μm; 8. SCo: sensilla coeloconica, bar = 1.5 μm; and 9. BB: Böhm bristle, bar = 6.0 μm.

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Fig. 1 in Effects of the antennal sensilla distribution pattern on the behavioral responses of Tribolium castaneum (Coleoptera: Tenebrionidae)

Fig. 1. Tribolium castaneum antennal ultrastructure observations. Dorsal view of the whole antenna with 11 antennal segments with a black line indicating where antennae were cut. Sensilla basiconica were found only on the last 3 segments of the antennae and sensilla trichodea on all antennal segments.

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Fig. 3 in Effects of the antennal sensilla distribution pattern on the behavioral responses of Tribolium castaneum (Coleoptera: Tenebrionidae)

Fig. 3. SEM photomicrographs of 6 types (A1, B1, C1, D1, E1, F1) of sensilla basiconica (SB) showing lateral view of the antennae of Tribolium castaneum. TEM photomicrographs 6 types (A2, B2, C2, D2, E2, F2) of sensilla basiconica (SB) showing the thin wall and continuous pores and dendrites. CW = cuticle wall, P = pores, D = dendrites, SBI = sensilla basiconica type 1, SBII = sensilla basiconica type II, SBIII = sensilla basiconica type III, SB IV = sensilla basiconica type IV, SBV = sensilla basiconica type V, SBVI = sensilla basiconica type VI.

Fig. 4 in Antennal sensillum morphology and electrophysiological responses of olfactory receptor neurons in trichoid sensilla of the diamondback moth (Lepidoptera: Plutellidae)

Fig. 4. The occurrence of 3 different antennal trichoid sensilla in relation to their widths (A, B and C) in male and female diamondback moth, Plutella xylostella. D shows the widths of the sensilla plotted against their lengths for the 3 trichoid sensilla types (Tr I, Tr II and Tr III). Data obtained from 3 females and 5 males.

Fig. 3 in Antennal sensillum morphology and electrophysiological responses of olfactory receptor neurons in trichoid sensilla of the diamondback moth (Lepidoptera: Plutellidae)

Fig. 3. The number of each of 4 types of sensilla along various antennal segments (1–10 = proximal end, 11–20 = middle, 21–30 = distal end) of female (A, C) and male (B, D) diamondback moths, Plutella xylostella. The estimated number of sensilla (C, D) was calculated based on the surface area of each segment section, and by assuming that sensilla were present on 2/3 of the surface (mean ± S.E., n = 5–15 in females and 9–18 in males).

Fig. 7 in Antennal sensillum morphology and electrophysiological responses of olfactory receptor neurons in trichoid sensilla of the diamondback moth (Lepidoptera: Plutellidae)

Fig. 7. Sensilla styloconica identified on the antennae of female (A, C and D) and male (B, E and F) Plutela xylostella. One sensillum styloconicum is located near the anterio-ventral end in each flagella subsegment (A, B). Usually 1 terminal sensory cone is present at the distal end in each sensillum styloconicum (C, D, E, F).

Fig. 2 in Antennal sensillum morphology and electrophysiological responses of olfactory receptor neurons in trichoid sensilla of the diamondback moth (Lepidoptera: Plutellidae)

Fig. 2. Gross antennal morphology of female (A, B) and male (C) Plutella xylostella, and a part of a male antenna showing the presence of different morphological types of sensilla (D). Ac (sensilla auricillica); Cc (sensilla coeloconica); Ch (sensilla chaetica); Tr I (sensilla trichodea Type I); Tr II (sensilla trichodea Type II); Tr III (sensilla trichodea Type III).

Fig. 6 in Antennal sensillum morphology and electrophysiological responses of olfactory receptor neurons in trichoid sensilla of the diamondback moth (Lepidoptera: Plutellidae)

Fig. 6. Detailed surface morphology of sensilla coeloconica (A, B and C) and sensilla auricillica (D, E and F) of the antennae of Plutela xylostella.