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153 results for “Formica”
Formica fusca: Queen fecundity, worker entourage, and cuticular chemistry in the ant Formica fusca
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Blacklegged ticks, Ixodes scapularis, reduce predation risk by eavesdropping on communication signals of Formica oreas thatching ants
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Formica exsecta comparison of the bacterial and fungal microbiomes of nest material and the ants
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A comparison of phylogenomic inference pipelines for low-coverage whole-genome sequencing in Formica ants
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Fine-scale habitat heterogeneity favours the coexistence of supergene-controlled social forms in Formica selysi
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Formica fusca ants use aphid supplemented foods to alleviate effects during the acute phase of a fungal infection
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Data from: A socially polymorphic Formica ant species exhibits a novel distribution of social supergene genotypes
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Fig. 7 in Comparative analysis of worker head anatomy of Formica and Brachyponera (Hymenoptera: Formicidae)
Fig. 7. SEM micrographs of the labium of Formica rufa (A – E) and Brachyponera luteipes (F – H). A,C,D: Dorsal view. B,E,H: Lateral view. F,G: Dorsolateral view. E,H: Close view of the paraglossa. — Abbreviations: bpb – basiparaglossal brush; dhy – distal hypopharynx; glam – anterior glossal margin; glds – dorsal glossal sclerite; glo – glossa; ibp – infrabuccal pouch; pgl – paraglossa; plb – palpus labialis; pmd – premental ditch; spc – stipito-premental conjunctivum; svo – salivary opening.
Fig. 14 in Comparative analysis of worker head anatomy of Formica and Brachyponera (Hymenoptera: Formicidae)
Fig. 14. Histological sections of heads of Brachyponera luteipes (A,B) and Brachyponera chinensis (D,E). All sections transverse. — Orientation: ↓ ventral.— Abbreviations: 0an2 – M. tentorioscapalis posterior; 0an3 – M. tentorioscapalis lateralis; 0bu1 – M. clypeobuccalis; 0bu5 – M. tentoriobuccalis posterior; 0ci1b – M. clypeopalatalis, paired portion; 0hy3 – M. tentoriohypopharyngalis; 0la5 – M. tentoriopraementalis; 0md1 – M. craniomandibularis internus; 0md1sf – M. craniomandibularis internus, direct fibers; 0md3 – M. craniomandibularis externus; 0mx3 – M. tentoriocardinalis; ata – anterior tentorial arm; bt – buccal tube; cc – cardinal condyle; cd – cardo; epk – epipharyngeal keel; esr – epistomal ridge; ll – lateral tentorial lamella; ml – mesal tentorial lamella; md – mandible; mda – mandibular apodeme; Mpel – M. pharyngoepipharyngalis, lateral portion; mxg – maxillary gland; oa – oral arm; ph – pharynx; phg – pharyngeal gland; pgr – postgenal ridge; pph – prepharynx; pphg – prepharyngeal gland; pphgo – prepharyngeal gland opening; sc – scapus; svd – salivary duct; toa – torular apodeme.
Fig. 2 in Comparative analysis of worker head anatomy of Formica and Brachyponera (Hymenoptera: Formicidae)
Fig. 2. SEM micrographs of heads of Formica rufa (A – C) and Brachyponera luteipes (D – F). Note the slight difference in shape between a small (A,B) and a larger head (C) in Formica rufa. A,D: Dorsal view. B,E: Lateral view. C,F: Ventral view. — Abbreviations: al – atala; atp – anterior tentorial pit; ce – compound eye; cl – clypeus; dma – dorsal mandibular articulation; es – epistomal sulcus; fr – frontal area; frc – frontal carina; fl – frontal line; ga – galea; glo – glossa; hysc – hypostomal carina; hyst – elongated tip of hypostomal carina; lbr – labrum; md – mandible; oc – ocelli; oca – occipital carina; occ – occipital region; pgb – postgenal bridge; pgr – postgenal ridge (visible as line of smooth cuticle); plb – labial palp; pmx – maxillary palp; pm – prementum; pocc – postocciput; sca – supraclypeal area; st – stipes; to – torulus; tol – torular lobe; vma – ventral mandibular articulation; vt – area of vertex. — Symbols: white arrowhead – ventral continuation of occipital carina; black arrowhead – groove on lateral clypeus.
Fig. 3 in Comparative analysis of worker head anatomy of Formica and Brachyponera (Hymenoptera: Formicidae)
Fig. 3. SEM micrographs of the antennae and antennal sockets of Formica rufa (B,D,F) and Brachyponera luteipes (A,C,E). A – D: Dorsal view. E,F: Lateral view. — Abbreviations: ac – torular acetabulum; bb – bulbus; bbn – bulbus neck; es – epistomal sulcus; frc – frontal carina; pd – pedicellus; sc – scapus; tol – torular lobe; trl – lateral torular arch.
Fig. 13 in Comparative analysis of worker head anatomy of Formica and Brachyponera (Hymenoptera: Formicidae)
Fig. 13. Histological sections of head of Formica rufa. A,B,C: Cross sections. D,E: Frontal sections. — Orientation: A,B,C: ↓ ventral; D: ↓ anterior region; E: ← anterior region. — Abbreviations: 0an4 – M. tentorioscapalis medialis; 0bu1 – M. clypeobuccalis; 0bu5 – M. tentoriobuccalis posterior; 0ci1b – M. clypeopalatalis, paired portion; 0hy2 – M. tentoriooralis; 0hy3 – M. tentoriohypopharyngalis; 0hy7 – M. praementosalivarialis; 0hy9 – M. oralis transversalis; 0la5 – M. tentoriopraementalis; 0la11 – M. praementoparaglossalis; 0la12 – M. praementoglossalis; 0la14 – M. praementopalpalis externus; 0md3 – M. craniomandibularis externus; 0mx3 – M. tentoriocardinalis; 0mx7 – M. stipitogalealis; 0mx8 – M. stipitopalpalis externus; 0la14 – M. praementopalpalis externus; al – atala; ata – anterior tentorial arm; bpb – basiparaglossal brush; bt – buccal tube; cd – cardo; dhy – distal hypopharynx; ep – epipharynx; hyb – hypopharyngeal button; hyr – hypopharyngeal rod; ibp – infrabuccal pouch; lc – lacinia; ll – lateral tentorial lamella; md – mandible; mda – mandibular apodeme; mdgd – mandibular gland duct; mdgr – mandibular gland reservoir; Mpel – M. pharyngoepipharyngalis, lateral portion; mxg – maxillary gland; mxgo – maxillary gland opening; oa – oral arm; plb – palpus labialis; pma – premental arm; pmx – palpus maxillaris; pph – prepharynx; pphg – prepharyngeal gland; pphgo – prepharyngeal gland opening; sc – scapus; sp – sitophore plate; spc – stipito-premental conjunctivum; st – stipes; sv – salivarium; svd – salivary duct; svo – salivary opening.
Fig. 6 in Comparative analysis of worker head anatomy of Formica and Brachyponera (Hymenoptera: Formicidae)
Fig. 6. SEM micrographs of the maxillae of Formica rufa (A,B) and Brachyponera luteipes (C – F). A: Dorsal view, slightly shifted frontolaterad. B: Mesoposterior view. E,H: Close view of the paraglossa. C,D,F: Ventral view. E: Dorsolateral view. — Abbreviations: 0mx1 – M. craniocardinalis externus; cd – cardo; csga – conical sensilla of galea; dlsst – distal lateral stipital surface; ga – galea; gacr – galeal crown; lc – lacinia; lcc – lacinial comb; mtga – galeal microtrichia; mxc – maxillary / galeal crown; pmx – palpus maxillaris; st – stipes. — Symbols: white arrowheads – fields of microtrichia on lacinia; black arrowheads – extended distal lateral edge of stipes.
Fig. 1 in Comparative analysis of worker head anatomy of Formica and Brachyponera (Hymenoptera: Formicidae)
Fig. 1. Photomicrographs of heads of Formica rufa (A – C) and Brachyponera luteipes (D – F). Note the slight difference in shape between a small (A,B) and a larger head (C). A,D: Dorsal view. B,E: Lateral view. C,F: Ventral view. — Abbreviations: ce – compound eye; cl – clypeus; dma – dorsal mandibular articulation; es – epistomal sulcus; fr – frontal area; frc – frontal carina; fl – frontal line; ga – galea; glo – glossa; hysc – hypostomal carina; hyst – elongated tip of hypostomal carina; lbr – labrum; md – mandible; oc – ocelli; oca – occipital carina; occ – occipital region; pgb – postgenal bridge; pgr – postgenal ridge (visible through the head capsule); plb – labial palp; pmx – maxillary palp; pm – prementum; pocc – postocciput; sca – supraclypeal area; st – stipes; to – torulus; tol – torular lobe; vma – ventral mandibular articulation; vt – area of the vertex. — Symbols: white arrowhead – ventral carina on the postgena; black arrowhead – groove on lateral clypeus.
Fig. 5 in Comparative analysis of worker head anatomy of Formica and Brachyponera (Hymenoptera: Formicidae)
Fig. 5. Volume renderings of head of Formica rufa (CASENT0709411: A,B; CASENT0790267: E,F) and Brachyponera luteipes (CASENT0709409: C,D,G,H). A,C,E,G: Upper part dorsal view, lower part ventral view. B,D,F,H: Sagittal view. A – D: Mandibular musculature and mandibular gland. E – H: Antennal musculature, in F and H parts of antennal torulus transparent to show muscles and bulbus. — Abbreviations: 0an1 – M. tentorioscapalis anterior; 0an2 – M. tentorioscapalis posterior; 0an3 – M. tentorioscapalis lateralis; 0an4 – M. tentorioscapalis medialis; 0an6 – M. scapopedicellaris lateralis; 0an7 – M. scapopedicellaris medialis; 0md1 – M. craniomandibularis internus; 0md3 – M. craniomandibularis externus; 0md8 – M. tentoriomandibularis; al – atala; amp – antennal ampulla;
Fig. 11 in Comparative analysis of worker head anatomy of Formica and Brachyponera (Hymenoptera: Formicidae)
Fig. 11. Volume renderings of heads of Formica rufa (CASENT0790267: A,C – E) and Brachyponera luteipes (CASENT0709409: B,F – H). A,B: Frontal view of head capsule. C,F: Dorsal view of cephalic digestive tract with glands and parts of the musculature, 0lb2, and the central nervous system. D,G: Ventral view of cephalic digestive tract including glands, and the central nervous system. E,H: Sagittal view of cephalic digestive tract including glands, musculature and buccal cavity, and the central nervous system. — Abbreviations: 0bu1 – M. clypeobuccalis; 0bu2 – M. frontobuccalis anterior; 0bu3 – M. frontobuccalis posterior; 0bu5 – M. tentoriobuccalis posterior; 0ci1a – M. clypeopalatalis, unpaired portion; 0ci1b – M. clypeopalatalis, paired portion; 0hy1 – M. frontooralis; 0hy2 – M. tentoriooralis; 0hy9 – M. oralis transversalis; 0lb2 – M. frontoepipharyngalis; 0ph2 – M. tentoriopharyngalis; ala – atalar acetabulum; amo – anatomical mouth opening; ata – anterior tentorial arm; atp – anterior tentorial pit; br – brain; bt – buccal tube; clf – ventral clypeal projection / flange; cc – cardinal condyle; dhy – distal hypopharynx; dta – dorsal tentorial arm; dma – dorsal mandibular articulation; ep – epipharynx; epk – epipharyngeal keel; fc – frontal commissure; fg – frontal ganglion; fmo – functional mouth opening; frc – frontal carina; hyc – hypostomal cavity; hysc – hypostomal carina; hysp – hypostomal process; ibp – infrabuccal pouch; lb – labium; lbr – labrum; mped – M. pharyngoepipharyngalis, dorsal portion; mpel – M. pharyngoepipharyngalis, lateral portion; nan – antennal nerve; no – optical nerve; oa – oral arm; ocn – ocellar nerve; opl – optic lobes; pgr – postgenal ridge; ph – pharynx; phg – pharyngeal gland; pph – prepharynx; pphg – prepharyngeal gland; pta – posterior tentorial arm; sog – suboesophageal ganglion; tb – tentorial bridge; to – torulus; tol – torular lobe; trl – lateral torular arch; vma – ventral mandibular articulation. — Colors: beige / brown – mouthparts; green – cephalic digestive tract (prepharynx and pharynx); grey – cuticle; orange / red – muscles; purple – glands; yellow – nervous system. — Symbols: white arrowhead – hypostomal hump contacting mandibular groove; * – anterior surface of triangular hypostomal process receiving lateral stipital margin.
Fig. 4 in Comparative analysis of worker head anatomy of Formica and Brachyponera (Hymenoptera: Formicidae)
Fig. 4. SEM micrographs of the mandibles of Formica rufa (A,B) and Brachyponera luteipes (C – F). A,C: Dorsal view. B,D: Ventral view. E,F: Dorsolateral view. — Abbreviations: al – atala; at – apical tooth; bm – basal margin; dma – dorsal mandibular articulation; ma – mandalus; mdp – mandibular pit; mdc – mandibular carinae; mgo – mandibular gland opening; mmg – mesal mandibular groove. — Symbols: white arrowhead – groove distad mandalus; * – groove mesodorsad ventral mandibular articulation; black arrows – minute tubercles; white arrows – minute pores; white outlines – area of mandalus.
Fig. 9 in Comparative analysis of worker head anatomy of Formica and Brachyponera (Hymenoptera: Formicidae)
Fig. 9. Volume renderings of the head of Formica rufa (CASENT0790267: A,B,E,F) and Brachyponera luteipes (CASENT0709409: C,D,G,H). A,C,E,G: Upper part dorsal view, lower part ventral view. B,D,F,H: Sagittal view. A – D: Maxillary musculature and gland. E – H: Labial musculature and salivary duct. — Abbreviations: 0hy3 – M. tentoriohypopharyngalis; 0hy7 – M. praementosalivarialis; 0hy12 – M. hypopharyngosalivarialis; 0la5 – M. tentoriopraementalis; 0la11 – M. praementoparaglossalis; 0la12 – M. praementoglossalis; 0la14 – M. praementopalpalis externus; 0la16 – M. palpopalpalis labii primus; 0la17 – M. palpopalpalis labii secundus; 0mx1 – M. craniocardinalis externus; 0mx3 – M. tentoriocardinalis; 0mx4 – M. tentoriostipitalis anterior; 0mx6 – M. stipitolacinialis; 0mx7 – M. stipitogalealis; 0mx8 – M. stipitopalpalis externus; 0mx12 – M. palpopalpalis maxillae primus; 0mx13 – M. palpopalpalis maxillae secundus; ata – anterior tentorial arm; dta – dorsal tentorial arm; lb – labium; ll – lateral lamella; ml – mesal lamella; mx – maxilla; mxg – maxillary gland; pta – posterior tentorial arm; ppt – posterior process of tentorium; sv – salivary sclerite; svd – salivary duct; tb – tentorial bridge. — Colors: beige / brown – mouthparts; grey – cuticle; orange / red – muscles; purple – glands and ducts.
Data from: A comparative study of egg recognition signature mixtures in Formica ants
Processing of information from the environment, such as assessing group membership in social contexts, is a major determinant of inclusive fitness. For social insects, recognizing brood origin is crucial for inclusive fitness in many contexts, such as social parasitism and kin conflicts within colonies. Whether or not a recognition signature is informative in kin conflicts, depends on the extent of a genetic contribution into the cues. We investigated colony and matriline specific variation in egg surface hydrocarbons in seven species of Formica ants. We show that chemical variance is distributed similarly to genetic variation, suggesting a significant genetic contribution to eggs odors in the genus. Significant among matriline components, and significant correlations between chemical and genetic similarity among individuals also indicate kin informative egg odors in several species. We suggest that egg odor surface variation could play a large role in within colony conflicts, and that a comparative method can reveal novel insight into communication of identity.
FIGURES 1–10. T in Thiasophila szujeckii sp. n. (Coleoptera, Staphylinidae, Aleocharinae) — a cryptic species associated with Formica truncorum in Poland
FIGURES 1–10. T. szujeckii sp. n. (1–5, 7–10), T. angulata (6). Dorsal habitus of holotype, male (1) and paratype, female (2) with microstructure (2A–C, E) and posterior margin near posterolateral corner (2D); right antenna of male (3) and female (4); ligula (5, 6); eighth sternite of male (7) and female (8); eighth tergite of of male (9) and female (10).
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Annotated Behaviour and Observability Dataset (ABODe)
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