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opencc-zeroMay 2002View details →

Figure 2 in Taxonomy and biology of Simulium clarkei Stone & Snoddy (Diptera: Simuliidae), a poorly known black fly of the southeastern United States

Figure 2. Variation in larval banding; dorsal view. a. Simulium clarkei from Salkehatchie River, South Carolina. b. Simulium clarkei from Meherrin River, North Carolina. c. Simulium emarginatum form Meherrin River, Virginia.

opencc-zeroDec 2004View details →

FIGURES 7 – 12. Simulium sublonckei. 7 in Three new species of Inseliellum (Diptera: Simuliidae) from Polynesia

FIGURES 7 – 12. Simulium sublonckei. 7. Pupal gills. Scale bar = 0.2 mm. 8. Hypostoma and postgenal cleft. Scale bar = 0.1 mm. 9. Hypostomal teeth. Scale bar = 0.1 mm. 10. Mandible. Scale bar = 0.05 mm. 11. Posterodorsal abdominal cuticle. Scale bar = 0.05 mm. 12. Anal sclerite. Scale bar = 0.2 mm.

opencc-zeroDec 2004View details →

FIGURES 1 – 6. Simulium adelaideae, penultimate instar larva. 1 in Three new species of Inseliellum (Diptera: Simuliidae) from Polynesia

FIGURES 1 – 6. Simulium adelaideae, penultimate instar larva. 1. Dorsal view of head. Scale bar = 0.25 mm. 2. Ventral view of head. Scale bar = 0.25 mm. 3. Head cuticle and setae, showing corrugations and raised setal bases. Scale bar = 0.05 mm. 4. Hypostoma. Scale bar = 0.05. 5. Mandible. Scale bar = 0.05 mm. 6. Anal sclerite. Scale bar = 0.2 mm.

opencc-zeroDec 2004View details →

FIGURES 16 – 18. Simulium englundi. 16 in Three new species of Inseliellum (Diptera: Simuliidae) from Polynesia

FIGURES 16 – 18. Simulium englundi. 16. Holotype female. Scale bar = 0.5 mm. 17. Frontal view of Holotype head. Scale bar = 0.1 mm. 18. Tip of left hind leg of Holotype showing calcipala, pedisulcus and pretarsal claws. Scale bar = 0.05 mm.

Fig. 5 in ONCHOCERCA VOLVULUS transmission in the Mbam valley of Cameroon following 16 years of annual community-directed treatment with ivermectin, and the description of a new cytotype of SIMULIUM SQUAMOSUM

Fig. 5 Mean daily biting rates ± 1 standard error (SE) at the four collection sites based on three collection days each month. Biting rates were highest at the two riverside sites (Bayomen and Nyamongo I) and decreased with increasing distance from the river

Fig. 1 in ONCHOCERCA VOLVULUS transmission in the Mbam valley of Cameroon following 16 years of annual community-directed treatment with ivermectin, and the description of a new cytotype of SIMULIUM SQUAMOSUM

Fig. 1 Map of the study area showing adult and larval blackfly collection sites and dissection stations in relation to the Mbam river. Grey arrows show the direction of river flow and the inset map shows the location of the study area (black star) in Cameroon

Fig. 2 in ONCHOCERCA VOLVULUS transmission in the Mbam valley of Cameroon following 16 years of annual community-directed treatment with ivermectin, and the description of a new cytotype of SIMULIUM SQUAMOSUM

Fig. 2 Historical rainfall and river discharge for Bafia and the lower Mbam river. Bars show mean monthly rainfall (mm) ± 1 standard error (SE) at Bafia for years 1930–1994 [26]; dashed line shows mean monthly river discharge (m3/s) ± 1 standard error (SE) for years 1952–80 for the Goura gauge located on the Mbam river ≈25 km SE of Bafia (4.56703°N, 11.36740°E) [27]

Fig. 4 in ONCHOCERCA VOLVULUS transmission in the Mbam valley of Cameroon following 16 years of annual community-directed treatment with ivermectin, and the description of a new cytotype of SIMULIUM SQUAMOSUM

Fig. 4 Polytene chromosomes of S. squamosum E2 and S. mengense showing a chromosome 1 of S. squamosum E2 with fixed inversions 1S-1 and 1L-3, and inversion 1L-57 which was fixed in the specimens examined, b part of chromosome 3 of S. squamosum E2 male showing sex-linked band dimorphism 3C-Sp and sex-linked heterozygous inversion 3L/82 present in 19/20 male specimens examined,'b'= blister, and c chromosome 1 of S. mengense showing expanded centromere 1CER

Fig. 7 in ONCHOCERCA VOLVULUS transmission in the Mbam valley of Cameroon following 16 years of annual community-directed treatment with ivermectin, and the description of a new cytotype of SIMULIUM SQUAMOSUM

Fig. 7 Results of pool screening showing maximum likelihood estimate of the percentage of S. damnosum s.l. possessing L3 larvae in their heads (± 95% CI) based on black flies collected over the 12-month sampling period. The number above the bar denotes the maximum likelihood point estimate for each site

Fig. 3 in ONCHOCERCA VOLVULUS transmission in the Mbam valley of Cameroon following 16 years of annual community-directed treatment with ivermectin, and the description of a new cytotype of SIMULIUM SQUAMOSUM

Fig. 3 Head and thorax of late-instar larvae showing a S. squamosum E2, and b S. mengense with arrow pointing to tuft of hair-like scales on the anterior dorsum of the thorax

Fig. 6 Seasonal parasite transmission along the lower Mbam river showing a in ONCHOCERCA VOLVULUS transmission in the Mbam valley of Cameroon following 16 years of annual community-directed treatment with ivermectin, and the description of a new cytotype of SIMULIUM SQUAMOSUM

Fig. 6 Seasonal parasite transmission along the lower Mbam river showing a combined parity and infection rates for flies dissected at Bayomen and Nyamongo I riverside sites (L1–L2 = percentage of flies infected with developing parasite stages only, L3H = percentage of flies containing L3 stages in the head), and b monthly transmission potentials at Bayomen, Nyamongo I, and Egona II estimated based on dissection data only. Ondouano not shown since no larvae were found in dissected flies

Fig. 7 in Bionomics of the black fly Simulium guianense (Diptera: Simuliidae) in northeast Brazil

Fig. 7. Pupae of Simulium guianense, indicated by arrow, on bedrock in the Longá River, Batalha Municipality, Piauí, Brazil, in Jun 2011.

Fig. 6 in Bionomics of the black fly Simulium guianense (Diptera: Simuliidae) in northeast Brazil

Fig. 6. Ant (Solenopsis sp.), indicated by arrow, preying on larvae of Simulium guianense in the Longá River, Batalha Municipality, Piauí, Brazil, in Jun 2011.

Fig. 8 in Bionomics of the black fly Simulium guianense (Diptera: Simuliidae) in northeast Brazil

Fig. 8. Larvae of Simulium guianense confined to puddles formed by depressions in the bedrock in the Longá River, Batalha Municipality, Piauí, Brazil, in Jun 2011.

Fig. 1 in Bionomics of the black fly Simulium guianense (Diptera: Simuliidae) in northeast Brazil

Fig. 1. Simulium guianense larvae. First instar, arrows indicate the egg-burster (A and B); the last instar is characterized by the presence of a completely formed gill histoblast (C).

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Fig. 1 in New synonymy to Simulium (Inaequalium) diversibranchium Lutz, with comments on the Inaequale species-group (Diptera, Simuliidae)

Fig. 1. Pupal gill branches of Simulium (Inaequalium) diversibranchium (=S. mariavulcanoae), in slides (1–5; 10–12): (1) CSIOC #12,097 Lutz collection (Lectotype); (2) MLP #115,232 (paratype of S. mariavulcanoae); (3) CSIOC #3,109 left gill; (4) CSIOC #3,109 right gill; (5) MNRJ #60,020; (10) CSIOC #3,780; (11) CSIOC #3,986; (12) CSIOC #4,448. Pupal gill branches of Simulium (Inaequalium) subnigrum, in slides (6–9): (6) MNRJ #60,002; (7) MNRJ #60,007; (8) MNRJ #60,010; (9) MNRJ #60,012.

Fig. 1 in Relationships Of Black-Fly Species Of The Simulium Tuberosum Species-Group (Diptera: Simuliidae) In Peninsular Malaysia, With Keys To Ten Malaysian Species

Fig. 1. The geographical distributions of 10 Malaysian species of the Simulium tubesrosum species-group. Numbers in circles correspond to the following species: 1, Simulium aeneifacies; 2, S. alberti; 3, S. brevipar; 4, S. jasmoni; 5, S. keningauense; 6, S. lunduense;7, S. masilauense; 8, S. sabahense; 9, S. tani;10, S. tiomanense. Dotted lines indicate international boundaries.

Fig. 2 in Descriptions Of Two New Species Of Simulium (Simulium) (Diptera: Simuliidae) From Tioman Island, Peninsular Malaysia

Fig. 2. Male of Simulium (Simulium) jasmoni, new species. A, 3rd segment of left maxillary palp showing small sensory vesicle (frontal view); B, basitarsus and 2nd tarsomere of left hind leg showing calcipala and pedisulcus (outer view); C, coxites, styles, ventral plate and median sclerite (ventral view); D, E, styles (D ventrolateral view; E, medial view); F, ventral plate and median sclerite (lateral view); G, ventral plate (end view); H, median sclerite (ventroposterior view). Scale bars = 0.1 mm for B; 0.02 mm for A, C–H.

Fig. 1 in Descriptions Of Two New Species Of Simulium (Simulium) (Diptera: Simuliidae) From Tioman Island, Peninsular Malaysia

Fig. 1. Female of Simulium (Simulium) jasmoni, new species. A, 3rd segment of left maxillary palp showing elongate sensory vesicle (front view); B, tarsal claw with a minute subbasal projection (lateral view); C, 8th sternite and ovipositor valves (ventral view); D, genital fork (ventral view); E, F, paraprocts and cerci (right side; E, ventral view; F, lateral view); G, spermatheca. Scale bars = 0.02 mm for A, C–G; 0.01 mm for B.

Fig. 5 in Descriptions Of Two New Species Of Simulium (Simulium) (Diptera: Simuliidae) From Tioman Island, Peninsular Malaysia

Fig. 5. Pupa and larva of Simulium (Simulium) tiomanense, new species. A–M, pupa; N–P, larva. A relatively large tubercles on frons, which are round and lack secondary projections on their surfaces; B, left frontal trichomes; C, right frontal trichomes; D, facial trichome; E, anterior part of left thoracic integument showing pit-like organ adjacent to the base of gill; F–I, thoracic trichomes (F, anterodorsal; G, mediodorsal; H, anterolateral; I, ventrolateral); J, right gill filaments (apical portions of all filaments lost) (lateral view); K–M, spine-combs and groups of minute spines on dorsal surface of abdomen (K, 7th segment; L, 8th segment; M, 9th segment); N, head capsule showing triangular postgenal cleft (ventral view); O, hypostoma with fewer anterior teeth (ventral view); P, hypostoma with normal 9 anterior teeth (ventral view). Scale bars = 0.1 mm for J, N; 0.05 mm for E; 0.02 mm for A–D, F–I, K–M, O, P.