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Figs. 2–5. Stenotarsus nigrivestis Shockley n in Figs. 30– 33. Attavicinus monstrosus. 30 in Comparison of Mouthpart Morphology of Three Species of Mexican Oniticellini (Coleoptera: Scarabaeidae: Scarabaeinae) in Relation to Their Trophic Habits

Figs. 2–5. Stenotarsus nigrivestis Shockley n. sp. 2) antenna; 3) prothorax and elytral base, dorsal view; 4) left mesothoracic leg; 5) pro-, meso-, and metasternum, ventral view (legs removed). Scale bars: 1.0 mm.

Fig. 11 in Figs. 30– 33. Attavicinus monstrosus. 30 in Comparison of Mouthpart Morphology of Three Species of Mexican Oniticellini (Coleoptera: Scarabaeidae: Scarabaeinae) in Relation to Their Trophic Habits

Fig. 11. Lateral view of head of Dim and M. saltini showing similarity in horn configuration (''the Dim Effect''). Dim character º Disney Enterprises, Inc. and Pixar. Used by permission from Disney Enterprises, Inc.

Figs. 7–9. Stenotarsus nigrivestis Shockley n in Figs. 30– 33. Attavicinus monstrosus. 30 in Comparison of Mouthpart Morphology of Three Species of Mexican Oniticellini (Coleoptera: Scarabaeidae: Scarabaeinae) in Relation to Their Trophic Habits

Figs. 7–9. Stenotarsus nigrivestis Shockley n. sp. 7) abdomen, ventral view; 8) aedeagus, lateral view; 9) aedeagus, ventral view. Scale bars: 1.0 mm.

Fig. 1 in Figs. 30– 33. Attavicinus monstrosus. 30 in Comparison of Mouthpart Morphology of Three Species of Mexican Oniticellini (Coleoptera: Scarabaeidae: Scarabaeinae) in Relation to Their Trophic Habits

Fig. 1. Evides pubiventris (Laporte & Gory 1835), on foliage of Lannea discolor at Geelhoutbosch, Limpopo Province, January 1999. Photograph by C. L. Bellamy.

Fig. 2 in Figs. 30– 33. Attavicinus monstrosus. 30 in Comparison of Mouthpart Morphology of Three Species of Mexican Oniticellini (Coleoptera: Scarabaeidae: Scarabaeinae) in Relation to Their Trophic Habits

Fig. 2. Evides gambiensis (Laporte & Gory 1835), on foliage of Lannea discolor at Geelhoutbosch, Limpopo Province, January 1999. Photograph by C. L. Bellamy.

opennotspecifiedDec 1924View details →

Figures 1–3. Sambomorpha spp. Fig. 1 in Figs. 30– 33. Attavicinus monstrosus. 30 in Comparison of Mouthpart Morphology of Three Species of Mexican Oniticellini (Coleoptera: Scarabaeidae: Scarabaeinae) in Relation to Their Trophic Habits

Figures 1–3. Sambomorpha spp. Fig. 1) S. costarica Bellamy, 1997, holotype; Fig. 2) S. corona, sp.nov. holotype; Fig. 3) S. panama, sp. nov. holotype. Scale bars 5 1.0 mm.

Fig. 3 in Figs. 30– 33. Attavicinus monstrosus. 30 in Comparison of Mouthpart Morphology of Three Species of Mexican Oniticellini (Coleoptera: Scarabaeidae: Scarabaeinae) in Relation to Their Trophic Habits

Fig. 3. Fat body conditions representative of diapause (a-male, b-female) and reproductive (c-male, d-female) brassica leaf beetle, Phaedon brassicae. The bars represent 1.00 mm. FB, fat body; HG, hindgut; M, Malpighian tube; O, ovary; T, testis.

Fig. 2 in Figs. 30– 33. Attavicinus monstrosus. 30 in Comparison of Mouthpart Morphology of Three Species of Mexican Oniticellini (Coleoptera: Scarabaeidae: Scarabaeinae) in Relation to Their Trophic Habits

Fig. 2. Reproductive system representative of diapause (a-male, b-female) and reproductive (c-male, d-female) brassica leaf beetle, Phaedon brassicae. The bars represent 1.00 mm. AG, accessory gland; EDC, common ejaculatory duct; EDL, lateral ejaculatory duct; ES, ejaculatory sac; CE, chorionated egg; O, ovary; PVO, previtellogenic oocyte.

Fig. 10 in Figs. 30– 33. Attavicinus monstrosus. 30 in Comparison of Mouthpart Morphology of Three Species of Mexican Oniticellini (Coleoptera: Scarabaeidae: Scarabaeinae) in Relation to Their Trophic Habits

Fig. 10. Female genital of Synolabus bipustulatus. Scale line 5 500 mm. bc 5 bursa copulatrix; ov 5 oviduct; rc 5 rectum; sd 5 spermathecal duct.

opennotspecifiedAug 2022View details →

FIGURE 4. Atopida suturalis, mouthparts. A in Revision of Atopida White, 1846 (Coleoptera: Scirtoidea: Scirtidae)

FIGURE 4. Atopida suturalis, mouthparts. A) mandible, B) maxilla, C) labrum, D) labium. Scale bar = 0.2 mm.

Fig. 6 in From Spinning Silk to Spreading Saliva: Mouthpart Remodeling in Manduca sexta (Lepidoptera: Sphingidae)

Fig. 6. Labio-hypopharyngeal lobe (lb) of the first instar of MaNdUCa SexTa (medial views of longitudinal cross sections). The spigot (sp) of the first instar is elongate and cone shaped and is connected to the salivarium (spr) via arthrodial membrane (dm = dorsal premento-salivarial muscle, lb = labio-hypopharyngeal lobe, lbr = labrum, lsg = labial gland, md = mandible, pm = prementum, pma = premental arm, spr = salivarium (=silk press), t-pm = tentorio-premental muscle, te-ci = tentorio-cibarial muscle, vm = ventral premento-salivarial muscle).

Fig. 5 in From Spinning Silk to Spreading Saliva: Mouthpart Remodeling in Manduca sexta (Lepidoptera: Sphingidae)

Fig. 5. Labio-hypopharyngeal lobe of the third instar of MaNdUCa SexTa. The salivarium (=silk press, spr) and its muscles (vm, dm) of second and later instars are similar to those of the first instar, indicating that the structure plays a similar role (closing and opening of the salivary orifice) in the saliva-producing instars and the silk-producing first instar. Starting with the second instar, the distal margin of the spinneret is equipped with hollow cuticular evaginations (arrowheads in C) that form a fringe.This brush-like structure might be involved in saliva spreading (dm = dorsal premento-salivarial muscle, pma = premental arm, spr = salivarium (=silk press), vm = ventral premento-salivarial muscle).

Fig. 4 in From Spinning Silk to Spreading Saliva: Mouthpart Remodeling in Manduca sexta (Lepidoptera: Sphingidae)

Fig. 4. Labio-hypopharyngeal lobe of first (A–E) and second (F, G) instars of MaNdUCa SexTa.The spigot (sp) is more than four times as long as wide and clearly protrudes from the convex, sculptureless distal margin of the spinneret in the first instar (A,B) whereas it is almost as wide as long and obscured by the fringed distal margin of the spinneret in later instars (F, G).Two intrinsic (dm, vm) and one extrinsic (t-pm) muscles of the labio-hypopharyngeal lobe have been observed in all instars with similar configuration and relative size. (A) First instar, ventral view. (B) First instar, dorsal view. (C–E) first instar, ventral view. (F) Second instar, ventral view. (G) Second instar, dorsal view (Unlabeled arrowheads in A, F point to campaniform sensilla; arrowheads in C point to the two bands composing dm) (aca = acanthae, con = concavities on posterior premental margin,dm = dorsal premento-salivarial muscle, gal = galea,lp = labial palp,mp = maxillary palp, pgr = palpiger, pm = prementum,pms = premental stipular setae, sis = proximal sclerite of the spinneret, sp = spigot, t-pm = tentorio-premental muscle, vm = ventral premento-salivarial muscle).

Fig. 3 in From Spinning Silk to Spreading Saliva: Mouthpart Remodeling in Manduca sexta (Lepidoptera: Sphingidae)

Fig. 3. The Lyonet's and labial glands in second (A, C, E) and third (B, D, F) instar larvae of MaNdUCa SexTa. The Lyonet's gland (Lg) is larger in the second instar than in the third instar.The chitinized branch (br) of the labial gland (lsg) is apparently closed.The diameter of the epithelial cell cluster composing the Lyonet's gland is less than half the size of the main branch of the labial gland.

Fig. 1 in From Spinning Silk to Spreading Saliva: Mouthpart Remodeling in Manduca sexta (Lepidoptera: Sphingidae)

Fig. 1. Labio-hypopharyngeal lobe of first (A, B) and third (C, D) instar larvae of MaNdUCa SexTa. The labio-hypopharyngeal lobe (lb) forms the ventral wall of the oral foramen (of) and is adjacent to the maxillae (mx) laterally.The spinneret (spin) is the apicomedian portion of the lobe medial to labial palpi (lp) and the sclerotized spigot (sp) is the distalmost part of the common duct of the labial glands bearing the salivary orifice (so).The spinneret is smooth and the spigot protrudes from the apicomedian margin of the spinneret in the first instar (A, B) while the spinneret is equipped with a fringe of hollow, spinelike evaginations (fr) and the spigot does not protrude from the spinneret in later (C, D) instars (a = antenna, cm = mandibular adductor muscle, e = eye, gal = galea, lbr = labrum, lp = labial palp, md = mandible, mp = maxillary palp).

Fig. 2 in From Spinning Silk to Spreading Saliva: Mouthpart Remodeling in Manduca sexta (Lepidoptera: Sphingidae)

Fig. 2. The labio-hypopharyngeal lobe (A, dorsal view) and the labial gland (B–D) in the first instar larva of MaNdUCa SexTa. The Lyonet's gland (Lg), is composed of 10–12 epithelial cells surrounding the proximal branch (br) off the main lumen of the labial gland (lsg). The cells of the Lyonet's gland possess enlarged nuclei (n) and are filled with secretory vesicles (v). A, B volume-rendered CLSM micrographs, C CLSM micrographs, D brightfield micrograph (lp = labial palp, sp = spigot, spin = spinneret).

opennotspecifiedAug 2017View details →

FIGURES 11–13. Coptus brevirostris, mouthparts. 11 in Coptus Wollaston (Coleoptera: Curculionidae: Cossoninae): A genus new to China with descriptions of two new species

FIGURES 11–13. Coptus brevirostris, mouthparts. 11, labium, ventral view; 12, left mandible, dorsal view; 13, left maxilla, dorsal view.

opennotspecifiedJan 2018View details →

FIGURES 2–9. Male Stenoheriades bifida Griswold. 2. Head, facial view. 3. Hypostomal carina, lateral view. 4. Mouthparts, lateral view. 5 in First record of Stenoheriades Cockerell in tropical Asia: Stenoheriades bifida, new species (Hymenoptera: Megachilidae)

FIGURES 2–9. Male Stenoheriades bifida Griswold. 2. Head, facial view. 3. Hypostomal carina, lateral view. 4. Mouthparts, lateral view. 5. Mouthparts, close up showing details. 6. T1, dorsal view. 7. T6, T7, apical view. 8. S1, S2, ventral view. 9. S2, close up showing apical margin. Scale bar = 0.25 mm

opennotspecifiedJun 2020View details →

Fig. 2 in The evolution of the mouthpart structures in the Eucraniini (Coleoptera, Scarabaeidae)

Fig. 2 Mouthparts in Eucraniini. a Ennearabdus lobocephalus head on ventral side (anterior part), scale bar = 0.5 mm. The epipharynx is visible after the labium, maxillae and mandibles were removed. The white arrow indicates the margin of the large, concave area where the epipharynx is housed, and kept in position by membranaceous laminae. CT clypeal tooth; Ac acropariae; Gy gymnopariae; Zy zygum, where the epipharyngeal tooth (ET) is placed; Ch chaetopariae; Ha haptomerum; Hp haptolachus. b Eucranium simplicifrons, mandibles, scale bar = 1 mm. c. Glyphoderus sterquilinus, left maxilla, scale bar = 1 mm. Pa maxillar palps; La lacinia; Ca cardo; St stipes; Ga galea. d. Glyphoderus sterquilinus, labium, scale bar = 1 mm