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42 results for “enteric valve”
Fig. 3 in Species groups in the genus Cubitermes (Isoptera: Termitidae) defined on the basis of enteric valve morphology
Fig. 3. Imago and worker mandible terminology. Left mandible on the left side, A = apical tooth, m1 = first marginal, m2 = second marginal (reduced to a wave), m3 = third marginal, p = premolar tooth, MP = molar prominence (the molar tooth is hidden behind the molar prominence), MA = molar posterior acute apophysis. Right mandible on the right, A = apical tooth, m1 = first marginal, m2 = second marginal, M = molar tooth, MP = molar prominence.
Fig. 2 in Species groups in the genus Cubitermes (Isoptera: Termitidae) defined on the basis of enteric valve morphology
Fig. 2. Counting of the antennal articles. A. Six proximal articles of a C. speciosus Sjöstedt, 1924 soldier. B. Proximal articles of another C. speciosus soldier (same colony); the "third", unfinished article does not bear any prominent setae (arrow) and is counted as one half; there are thus 5.5 articles shown in this figure.
Fig. 5 in Species groups in the genus Cubitermes (Isoptera: Termitidae) defined on the basis of enteric valve morphology
Fig. 5. Photo standardisation, the arrows point to the spots which have to be in focus simultaneously. A. Dorsal view of the head capsule of an imago ('photo IHCDV'). B. Lateral view of the head capsule of an imago ('photo IHCLV'). C. Dorsal view of the pronotum of an imago ('photo IPronot'). D. Oblique view of the head capsule of an imago ('photo IHCObV'). E. Dorsal view of the head capsule of a soldier ('photo SHCDV'). F. Lateral view of the head capsule of a soldier ('photo SHCLV'). G. Dorsal view of the pronotum of a soldier ('photo SPronot'). H. Ventral view of the head capsule of a soldier ('photo SHCVV'). I. Ventral view of the mandibles of a soldier ('photo SMandVV'). J. Hind tibia and tarsus of a soldier ('photo STibia'). K. Dorsal view of the head capsule of a worker ('photo WHCDV'). L. Lateral view of the head capsule of a worker ('photo WHCLV'). All the drawings are issued from C. fungifaber (Sjöstedt, 1896) type material (not to the same scale).
Fig. 4. A in Species groups in the genus Cubitermes (Isoptera: Termitidae) defined on the basis of enteric valve morphology
Fig. 4. A. Enteric valve (of C. oblectatus Harris, 1958), seen in profile with simplified pilosity. In this species, the primary cushions PC3 and PC5 bear not only spatulae (sp) but also crests (cr) near the downstream end. B. Section through an enteric valve, seen from upstream. Sands' numbering of the cushions is inside; present numbering of the primary (PC1 to PC6) and secondary (SC12 to SC61) cushions outside. C. Measurements on PC1: WVP1UL = length of the upstream spiny part (it starts at the first spine and ends at the first lateral supporting bristle); WVP1ML = length of the middle spiny part (it starts at the first lateral supporting bristle and ends at the last lateral supporting bristle); WVP1DL = length of the downstream bristly part (it starts at the last lateral supporting bristle); WVP1W = maximal width. D. Measurements on PC4 (one of the PCs with spatula in the sankurensis valve pattern): WVP4SL = length of the downstream spatula part (this is also the part that sticks out of the valve when in function). Other symbols as in figure C. E. Measurements on SC12 in the case of a wide and homogeneous cushion (in the muneris valve pattern). F. Measurements on SC12 in the case of a heterogeneous spearheadshaped cushion (in the bilobatodes valve pattern). G. Measurements on SC12 in the case of a narrow cushion that becomes wider and fuzzy in its downstream part (in the oculatus valve pattern); in E, F and G, WVS12L = length of the secondary cushion (between the most extreme spines or bristles), WVS12W = width of the secondary cushion (between the most extreme spines or bristles in its upstream third).
Fig. 1 in Species groups in the genus Cubitermes (Isoptera: Termitidae) defined on the basis of enteric valve morphology
Fig. 1. Colour palettes used in this study. Cf: "faded" palette; Cd: "deep" palette, each with eight levels and their RGB values.
FIGURES 12. Enteric valve armature. A–B in A taxonomic revision of the Neotropical termite genus Cyrilliotermes Fontes (Isoptera, Termitidae, Syntermitinae)
FIGURES 12. Enteric valve armature. A–B, Cyrilliotermes angulariceps; C–D, C. brevidens, sp. n.; E–F, C. crassinasus, sp. n.; G–H, C. strictinasus. C–F were from old specimens and became flattened when mounted.
FIGURES 214217. Divestive tube and enteric valve armature. 214 in An illustrated key to Neotropical termite genera (Insecta: Isoptera) based primarily on soldiers
FIGURES 214217. Divestive tube and enteric valve armature. 214. Neocapritermes opacus, coiled gut from right view, showing the two lobes on the mixed segment; 215. enteric valve armature of Araujotermes nanus; 216. idem, Agnathotermes crassinasus; 217. idem, Atlantitermes stercophilus.
FIGS 46 in A morphological study of the enteric valves of the Afrotropical Apicotermitinae (Isoptera: Termitidae)
FIGS 46±49. Ateuchotermes sp. nov. 1, everted part of enteric valve. (46) surface view (note membrane on the large ridge), scale bar 5350 mm; (47) detail of main armature on ridge one (note that membrane is broken away from ventral surface), scale bar 550 mm; (48) detail of pectinate armature on ridges two to four, scale bar 5 143 mm; (49) detail of pectinate armature of ridge three, scale bar 518 mm.
FIGS 34 in A morphological study of the enteric valves of the Afrotropical Apicotermitinae (Isoptera: Termitidae)
FIGS 34±37. Trichotermes sp., everted part of enteric valve. (34) surface view, scale bar 5 100 mm; (35) side view, scale bar 5100 mm; (36) view into lumen of P1 through centre of valve, scale bar 550 mm; (37) detail of one ridge showing pectinate armature at distal end, scale bar 527 mm. NB, the folding of the ridges is an artifact, due to drying.
FIGS 10 in A morphological study of the enteric valves of the Afrotropical Apicotermitinae (Isoptera: Termitidae)
FIGS 10±13. Eburnitermes sp. nov. 1, everted part of enteric valve. (10) side view, scale bar 560 mm; (11) detail of ridges, scale bar 5 20 mm; (12) proximal end of two ridges showing pectinate armature, scale bar 5 23 mm; (13) detail of ridges showing pectinate armature, scale bar 5 18 mm.
FIGS 14 in A morphological study of the enteric valves of the Afrotropical Apicotermitinae (Isoptera: Termitidae)
FIGS 14±17. Phoxotermes cerberus, everted part of enteric valve. (14) surface view, scale bar 575 mm; (15) detail of one ridge, scale bar 530 mm; (16) view into lumen of P1 through centre of valve, scale bar 520 mm; (17) detail of pectinate armature on distal end of one scale ridge, scale bar 512 mm.
FIG. 1 in A morphological study of the enteric valves of the Afrotropical Apicotermitinae (Isoptera: Termitidae)
FIG. 1. Soil-feeding termite gut, Orthotermes depressifrons (Cubitermes-group Termitinae). Cr, crop; Me, mesenteron; MS, mixed segment; P1, Žrst proctodeal segment; EV, enteric valve, here predominantly in the P1; P3, third proctodeal segment; Di, diverticulum; P4, fourth proctodeal segment; Re, rectum.
FIGS 22 in A morphological study of the enteric valves of the Afrotropical Apicotermitinae (Isoptera: Termitidae)
FIGS 22±25. Allognathoterme s hypogeus, everted part of enteric valve. (22) surface view, scale bar 5120 mm; (23) side view, showing the main armature on zone ridge, scale bar 5100 mm; (24, 25) details of main armature, showing elongate pectinate spines, scale bar 525 mm and 15 mm respectively.
FIGS 30 in A morphological study of the enteric valves of the Afrotropical Apicotermitinae (Isoptera: Termitidae)
FIGS 30±33. Coxotermes boukokoensis, everted part of enteric valve. (30) side view, scale bar 5100 mm; (31) surface view, showing 3 toothed lobes in lumen, scale bar 575 mm; (32) detail of spatulate armature, showing fringe of spines at the end of each 'spoon', scale bar 523 mm; (33) detail of teeth on lobes in lumen, scale bar 57.5 mm.
FIGS 6 in A morphological study of the enteric valves of the Afrotropical Apicotermitinae (Isoptera: Termitidae)
FIGS 6±9. Enteric valves (conventional light microscopy). (6) Coxotermes boukokoensis; (7) Jugositermes tuberculatus; (8) Rostrotermes cornutus; (9) Ateuchotermes sp. nov. For scale see Žgures 30, 21, 38 and 46 respectively.
FIGS 38 in A morphological study of the enteric valves of the Afrotropical Apicotermitinae (Isoptera: Termitidae)
FIGS 38±41. Rostrotermes cornutus, everted part of enteric valve. (38) surface view, scale bar 5100 mm; (39) side view, scale bar 560 mm; (40) surface view of one ridge showing spatulate spines of armature, scale bar 5 43 mm; (41) side view of one ridge, scale bar 543 mm.
FIGS 2 in A morphological study of the enteric valves of the Afrotropical Apicotermitinae (Isoptera: Termitidae)
FIGS 2±5. Enteric valves (conventional light microscopy). (2) Phoxotermes cerberus; (3) Machadoterme s rigidus; (4) Allognathotermes hypogeus; (5) Apicotermes traghardhi. For scale, see Žgures 14, 18, 22 and 26.
FIGS 18 in A morphological study of the enteric valves of the Afrotropical Apicotermitinae (Isoptera: Termitidae)
FIGS 18±21. Machadotermes rigidus, everted part of enteric valve. (18) side view, scale bar 575 mm; (19) detail of distal end of one ridge showing pectinate armature, scale bar 530 mm; (20) detail of proximal end of one ridge, scale bar 530 mm; (21) Jugositermes tuberculatus, everted part of enteric valve, surface view, scale bar 575 mm.
FIG. 51 in A morphological study of the enteric valves of the Afrotropical Apicotermitinae (Isoptera: Termitidae)
FIG. 51. Stylized Allognathotermes enteric valve in situ. The large and small arrows represent the paths taken by the coarse and Žne material, respectively.
FIGS 26 in A morphological study of the enteric valves of the Afrotropical Apicotermitinae (Isoptera: Termitidae)
FIGS 26±29. Apicotermes traghardi, everted part of enteric valve. (26) surface view, scale bar 5120 mm; (27) side view, scale bar 5136 mm; (28) face view of one ridge, scale bar 560 mm; (29) side view detail of distal end of one ridge, scale bar 530 mm.
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