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2,798 results for “Chironomidae”
Fig. 7 in Morpho-histological characterization of immature of the bioindicator midge Chironomus sancticaroli Strixino and Strixino (Diptera, Chironomidae)
Fig. 7. Micrographs of glands from the retrocerebral complex of the immature Chironomus sancticaroli. (A) Longitudinal section of the corpora allata, showing the glandular epithelium, demonstrating the cell nucleus (arrowhead); (B) longitudinal section of the prothoracic gland; (C) longitudinal section showing the region of the complex, demonstrating the anterior postcerebral gland and the small group of cells that make up the corpora cardiac; (D) detail of the anterior postcerebral gland, note the granules in their cytoplasm (arrowhead); (E) detail of the small group of cells that make up the corpora cardiaca (arrows). cc: corpora cardiaca; ga: anterior postcerebral gland; ptg: prothoracic gland, tr: trachea. Stain: Harris hematoxylin and eosin. Scale bar = 20 µm.
Figure 1. Demicryptochironomus vulneratus Zetterstedt, 1838 in A new larval record of Demicryptochironomus Lenz, 1941 (Diptera, Chironomidae) for the Turkish fauna
Figure 1. Demicryptochironomus vulneratus Zetterstedt, 1838: a) head capsule; b) labrum palp; c) antenna; d) maxillary palp; e) paralabial plates; f) mandible; g) last abdominal segments; h) mentum, mandible.
Figure 1 in The Chironomidae (Diptera) fauna of Kırklareli Province
Figure 1. Map showing the sampling localities (the numbers in the figure show the locality number in Table 1).
Fig. 4 in Factors that alter the biochemical biomarkers of environmental contamination in Chironomus sancticaroli (Diptera, Chironomidae)
Fig. 4. Effect of sample centrifugation on the activity of acetylcholinesterase (AChE), alpha esterase (EST-α), and beta alpha esterase (EST-β) of Chironomus sancticaroli. The values are expressed as the mean value of enzyme activity ± SD (n = 30 for each condition). Different letters indicate significant differences when p <0.05 (using paired t-test).
Fig. 2 in Factors that alter the biochemical biomarkers of environmental contamination in Chironomus sancticaroli (Diptera, Chironomidae)
Fig. 2. Effect of fasting for 24 h (A); 48 h (B) and 72 h (C) on the activity of acetylcholinesterase (AChE), alpha esterase (EST-α), and beta alpha esterase (EST-β) of Chironomus sancticaroli. The values are expressed as the mean value of enzyme activity ± SD (n = 30 for each condition). Different letters indicate significant differences when p <0.05 (using unpaired t-test).
Fig. 1 in Factors that alter the biochemical biomarkers of environmental contamination in Chironomus sancticaroli (Diptera, Chironomidae)
Fig. 1. Effect of temperature (20, 25 and 30 ◦C) on the activity of acetylcholinesterase (AChE), alpha esterase (EST-α), and beta alpha esterase (EST-β) of Chironomus sancticaroli. The values are expressed as the mean value of enzyme activity ± SD (n = 30 for each condition). Different letters indicate significant differences when p <0.05 (using ANOVA – one way and Tukey contrast).
Fig. 3 in The Oriental Genus Shangomyia Saether & Wang (Chironomidae: Diptera): Immature Stages, Biology, Putative Relationships And The Evolution Of Wood Mining In Chironomid Larvae
Fig. 3. Reduced phylogeny for Chironominae, strict consensus, all characters unordered. Abbreviations – 'Pseu' – 'Pseudochironomini', a paraphyletic grade on these data; 'INF' – monophyletic clade, 'K1', Imparipecten, Nilodosis, Fissimentum; SSH – monophyletic clade, Stenochironomus, Shangomyia, Harrisius. 'connectens' 1 and 2 – an informal grouping, possibly monophyletic but unresolved in this analysis, comprising 1. Polypedilum, Pagastiella and relatives, and 2 Stictochironomus and relatives with 6-segmented larval antenna and alternate Lauterborn organs.
Fig. 2 in The Oriental Genus Shangomyia Saether & Wang (Chironomidae: Diptera): Immature Stages, Biology, Putative Relationships And The Evolution Of Wood Mining In Chironomid Larvae
Fig. 2. Shangomyia impectinata Saether & Wang, 1993, Pupa, male hypopygium; A. Tergites, dorsal; B. anterior tergite IV; C. posterior tergite VI. D. Male hypopygium, left side dorsal, right side ventral/ stylised internal.
Figure 5 in Evolutionary relationships among several species from the genus Cricotopus (Diptera: Chironomidae): What about Turkish representatives of this genus?
Figure 5. BEAST chronogram of divergence of the representatives of the genus Cricotopus. Specimens collected and sequenced in this study are demonstrated in bold. Time to most recent common ancestor (tmrca) was estimated for the lettered nodes (in red) which correspond with those in Table 4. The time scale is in millions of years before present.
Figure 4. A neighbour-net phylogenetic network constructed using 106 in Evolutionary relationships among several species from the genus Cricotopus (Diptera: Chironomidae): What about Turkish representatives of this genus?
Figure 4. A neighbour-net phylogenetic network constructed using 106 COI sequences of the genus Cricotopus and two COI sequences Orthocladius sp. (outgroup). For the clarity of the network, bootstrap support values of the nodes are not demonstrated.
Figure 3 in Evolutionary relationships among several species from the genus Cricotopus (Diptera: Chironomidae): What about Turkish representatives of this genus?
Figure 3. Bayesian tree based on the analysis of COI sequences. Node-associated values (in red) correspond to ML bootstrap support (BS) and BI posterior probabilities (PP), respectively. Full support (100%/1.00) is marked with a bold circle.
Figure 2 in Evolutionary relationships among several species from the genus Cricotopus (Diptera: Chironomidae): What about Turkish representatives of this genus?
Figure 2. Saturation plot for transitions (blue crosses) and transversions (green triangles). The x axis shows the genetic distance based on the GTR model, while the y axis shows the proportion of transitions and transversions. The lines show the trends of the variance of transitions and transversions with increasing genetic distance.
Figure 3 in Evidence of new chironomid taxa (Diptera, Chironomidae) for Croatia from a mountain stream in the Pannonian Plain
Figure 3. Morphological characteristics of Diamesa cf. insignipes: a) larval head ventral view, b) posterior abdominal segment, c) mandible and premandible, d) labro-epipharyngeal area.
Figure 2 in Evidence of new chironomid taxa (Diptera, Chironomidae) for Croatia from a mountain stream in the Pannonian Plain
Figure 2. Morphological characteristics of Boreoheptagyia legeri: a) dorsal surface of head, b) larval head, ventral view, c) posterior abdominal segments, d) mandible.
Figure 1 in Evidence of new chironomid taxa (Diptera, Chironomidae) for Croatia from a mountain stream in the Pannonian Plain
Figure 1. Šumetlica stream: location of the study site in Croatia (black dot), sampling site in June 2020 (left), sampling site in May 2021 (right).
Fig. 14–19 in Chironomidae (Insecta: Diptera) of Ecuadorian highaltitude streams: a survey and illustrated key
Fig. 14–19. Cricotopus sp. D: 14a. Mentum. Arrow indicates the reduced second lateral tooth. 14b. Mandible. 14c. Head capsule,ventral view. Limnophyes sp.: 15a. Anal end of body, anal tubules are indicated by arrow. 15b. Antenna and mandible, arrow indicates long antennal blade. 15c. Mentum with wedge shaped tubercle (indicated by arrow). Metriocnemus eurynotus group: 16a. Mandible. 16b. Antenna. 16c. Mentum. 16d. Head capsule, ventral view. Metriocnemus fuscipes group: 17a. Antenna. 17b. Mandible. 17c. Mentum. Onconeura sp.: 18a. Head capsule. Arrow indicates antenna. 18b. Mentum and mandible. 18c. Antenna. 18d. Body segments with strong setation. Orthocladius (Euo.) sp.: 19a. Mentum. 19b. Head capsule, ventral view. 19c. Detail of occipital margin. 19d. Antenna and madible.
Figs. 8–13 in Chironomidae (Insecta: Diptera) of Ecuadorian highaltitude streams: a survey and illustrated key
Figs. 8–13. Parochlus sp. B: 8a to c. Anal end with posterior parapod, procercus and anal setae, lateral (a, b) and dorsal view (c). Podonomus sp.: 9a. Anterior parapod with fan shaped arrangement of claws, lateral view. 9b, c. Anal end with posterior parapod, procercus, and anal setae, dorsolateral view. 9d. Larvae under low magnification. Corynoneura lobata group: 10a. Antenna. 10b. Mentum, mandibles, and labro-epipharyngeal region (arrows indicate bifid SI and pecten). 10c. Head capsule, dorsolateral view. Cricotopus sp. A: 11a. Labro-epipharyngeal region. 11b. Body. 11c. Body setation (indicated by arrow). 11d. Head capsule, ventral view (position of seta submenti indicated by arrow). 11e. Mandible. Cricotopus sp. B: 12a. Mandible. 12b. Head capsule, ventral view. 12c. Mentum view (position of seta submenti indicated by arrow). 12d. Body segment with seta (indicated by arrow). Cricotopus sp. C: 13a. Mandible. 13b. Head capsule, ventral view. 13c. Mentum (arrow indicates position of seta submenti).
Figs. 2–7 in Chironomidae (Insecta: Diptera) of Ecuadorian highaltitude streams: a survey and illustrated key
Figs. 2–7. Manoa sp.: 2a. Labrum-epipharyngis. 2b. Antennae. 2c. Mentum, mandibles and ventromental plates. 2d. Posterior parapods and anal tubules, lateral view. Tanytarsus sp.: 3a Mandible. 3b. Mentum and ventromental plates. 3c. Head capsule, ventral view. 3d. Labro-epipharyngeal region (arrow indicates premandibles with 3 teeth). Limaya sp.: 4a. Mandible. 4b. Mentum. 4c. Antenna. 4d. Labro-epipharyngeal region. Paraheptagyia sp. A: 5a. Head capsule, dorsal view. 5b. Mentum and mandibles. 5c. Head capsule,ventral view, arrow indicates occipital margin. Paraheptagyia sp. B: 6a. Mentum. 6b. Mandibles. 6c. Anal end of body, lateral view. 6d. Head capsule, ventral view, arrow indicates occipital margin. Parochlus sp. A: 7a, e. Anal end with posterior parapods, procercus and anal setae, lateral and dorsal view. 7b. Mentum and mandibles. 7c. Claws of posterior parapods (note the 2 types of claws indicated by arrow). 7d. Antenna.
Fig. 1 in Chironomidae (Insecta: Diptera) of Ecuadorian highaltitude streams: a survey and illustrated key
Fig. 1. Map of the Antisana stream system. For site codes see Tables 1 and 2. Glaciated area is marked with grey. Sites 1 to 10 are glaciated, sites 11 to 17 are non-glacial.
Figs. 20-23 in Chironomidae (Insecta: Diptera) of Ecuadorian highaltitude streams: a survey and illustrated key
Figs. 20-23. Parakiefferiella sp.: 20a. Mandible. 20b. Antenna. Arrow indicates vestigial sixth segment. 20c. Mentum. Pseudosmittia sp.: 21a. Head capsule, ventral view. 21b. Anal end, ventral view. 21c. Mentum and mandible. Smittia sp.: 22a. Head capsule, ventral view. 22b. Mentum. 22c. Basally fused anterior parapods, with 2 types of claws (fine spines are indicated by arrow), lateral view. 22d. Posterior parapods (detail), ventral view. Arrow indicate a row of minute claws below regular size claws. 22e. Anal end of the body, ventral view. Pentaneura sp.: 23a. Head capsule, ventral view. 23b. Ligula and paraligula. 23c. Maxillary palp with sensilla. 23d. Anal end of body.
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