Publications
2021
20. Kallal RJ, Wood HM. Not so fast: strike kinematics of the araneoid trap-jaw spider Pararchaea alba (Malkaridae, Pararchaeinae). Integrative Organismal Biology. Submitted.
19. Kallal RJ, Kulkarni S, Dimitrov D, Benavides LR, Arnedo MA, Giribet G, & Hormiga G. Converging on the orb: denser taxon sampling elucidates spider phylogeny and new analytical methods support repeated evolution of the orb web. Cladistics. DOI: 10.1111/cla.12439
18. Kulkarni S, Kallal RJ, Wood H, Dimitrov D, Giribet G, & Hormiga G. Interrogating genomic-scale data to resolve recalcitrant nodes in the Spider Tree of Life. Molecular Biology and Evolution. DOI: 10.1093/molbev/msaa251
2020
17. Kallal RJ & Hormiga G. Phylogenetic placement of the stone-nest orb-weaving spider Nemoscolus Simon, 1895 Taxonomy and phylogenetics of Nanometinae and other Australasian orb-weaving spiders (Araneae, Araneidae) and hte description of the first species from Australia. Invertebrate Zoology. DOI: 10.107/IS20035
16. Alvarez-Padilla F, Kallal RJ, & Hormiga G. Taxonomy and phylogenetics of Nanometinae and other Australasian orb-weaving spiders (Araneae, Tetragnathidae). Bulletin of the American Museum of Natural History. 438: 1-108. DOI: 10.1206/0003-0090.438.1.1
2019
15. Kallal RJ, Moore AJ, & Hormiga G. 2019. The shape of weaver: the evolution of carapace shape disparity in orb-weaving spiders (Araneae: Araneidae). Evolutionary Biology. DOI: 10.1007/s11692-019-09482-w.
14. LaPolla JS & Kallal RJ. 2019. Nylanderia of the World Part III: Nylanderia in the West Indies. Zootaxa. 4658: 401-451. DOI: 10.11646/zootaxa.4658.3.1
13. Michalik P, Kallal RJ, Dederichs T, Labarque FM, Hormiga G, Giribet G, & Ramírez M. 2019. Phylogenomics and genital morphology of cave raptor spiders (Araneae, Trogloraptoridae) reveal an independent origin of a flow-through female genital system. Journal of Zoological Systematics and Evolutionary Research. DOI: 10.1111/jzs.12315.
12. Kallal RJ, Dimitrov D, Arnedo MA, Giribet G, & Hormiga G. 2019. Monophyly, taxon sampling, and the nature of ranks in the classification of orb-weaving spiders (Araneae: Araneoidea). Systematic Biology. DOI: 10.1093/sysbio/syz043
11. Kallal RJ & Hormiga G. 2019. Evolution of the pedipalp of the orb-weaver hunting spider Chorizopes (Araneae, Araneidae) revisited on a new phylogeny and description of a third species from Madagascar. Invertebrate Systematics. 33: 473-487. DOI: 10.1071/IS18061
2018
10. Kallal RJ, Fernández R, Giribet G, & Hormiga G. 2018. A phylotranscriptomic backbone of the orb-weaving spider family Araneidae (Arachnida, Araneae) supported by multiple methodological approaches. Molecular Phylogenetics and Evolution. 126: 129-140. DOI: 10.1016/j.ympev.2018.04.007
9. Fernández R, Kallal RJ, Dimitrov D, Ballesteros JA, Arnedo MA, Giribet G, & Hormiga G. 2018. Phylogenomics, lineage diversification dynamics and comparative transcriptomics across the Spider Tree of life. Current Biology. 28: 2190-2193. DOI: 10.1016/j.cub.2018.03.064.
8. Kallal RJ & Hormiga G. 2018. Systematics, phylogeny, and biogeography of the Australasian leaf-curling orb-weaving spiders (Araneae: Araneidae: Zygiellinae), with a comparative analysis of retreat evolution. Zoological Journal of the Linnean Society. 184: 1055-1141. DOI:10.1093/zoolinnean/zly014
7. Kallal RJ & Hormiga G. 2018. An expanded phylogeny of metaine spiders (Araneae, Tetragnathidae) with descriptions of new metaine and leucaugine taxa from Taiwan and the Philippines. Invertebrate Systematics. 32: 400-422. DOI: 10.1071/IS17058.
2017
6. Levi HW & Kallal RJ. 2017. Araneidae. In: Spiders of North America: an identification manual. Eds: Ubick D, Paquin, P, Cushing PE, Roth V. 2nd Ed. American Arachnological Society: Keene, NH, USA.
2016
5. Kallal RJ & Hormiga G. 2016. Redescription of the Jamaican orb-weaving spider Chrysometa pecki Levi 1986 (Araneae, Tetragnathidae), including the first description of the male. Zootaxa. 4066: 95-100. DOI: 10.11646/zootaxa.4066.1.11.
2012
4. Kallal RJ & LaPolla JS. 2012. Monograph of Nylanderia (Hymenoptera: Formicidae) of the World, Part II: Nylanderia of the Nearctic. Zootaxa. 3508: 1-64.
3. Gotzek D, Brady SG, Kallal RJ, & LaPolla JS. 2012. The importance of using multiple approaches for identifying emerging invasive species: the case of the Rasberry Crazy Ant in the United States. PLoS One. 7: e45314. DOI: 10.1371/journal.pone.0045314
2. LaPolla JS, Kallal, RJ, & Brady SG. 2012. A new ant genus from the Greater Antilles and Central America, Zatania (Hymenoptera: Formicidae), exemplifies the utility of male and molecular character systems. Systematic Entomology. 37: 200-214.
2010
1. Kallal RJ, Godfrey SJ, & Ortner DJ. 2010. Bone reactions on a Pliocene cetacean rib indicate short-term survival of predation event. International Journal of Osteoarchaeology. 22: 253-260. DOI: 10.1002/oa.1199.
20. Kallal RJ, Wood HM. Not so fast: strike kinematics of the araneoid trap-jaw spider Pararchaea alba (Malkaridae, Pararchaeinae). Integrative Organismal Biology. Submitted.
19. Kallal RJ, Kulkarni S, Dimitrov D, Benavides LR, Arnedo MA, Giribet G, & Hormiga G. Converging on the orb: denser taxon sampling elucidates spider phylogeny and new analytical methods support repeated evolution of the orb web. Cladistics. DOI: 10.1111/cla.12439
18. Kulkarni S, Kallal RJ, Wood H, Dimitrov D, Giribet G, & Hormiga G. Interrogating genomic-scale data to resolve recalcitrant nodes in the Spider Tree of Life. Molecular Biology and Evolution. DOI: 10.1093/molbev/msaa251
2020
17. Kallal RJ & Hormiga G. Phylogenetic placement of the stone-nest orb-weaving spider Nemoscolus Simon, 1895 Taxonomy and phylogenetics of Nanometinae and other Australasian orb-weaving spiders (Araneae, Araneidae) and hte description of the first species from Australia. Invertebrate Zoology. DOI: 10.107/IS20035
16. Alvarez-Padilla F, Kallal RJ, & Hormiga G. Taxonomy and phylogenetics of Nanometinae and other Australasian orb-weaving spiders (Araneae, Tetragnathidae). Bulletin of the American Museum of Natural History. 438: 1-108. DOI: 10.1206/0003-0090.438.1.1
2019
15. Kallal RJ, Moore AJ, & Hormiga G. 2019. The shape of weaver: the evolution of carapace shape disparity in orb-weaving spiders (Araneae: Araneidae). Evolutionary Biology. DOI: 10.1007/s11692-019-09482-w.
14. LaPolla JS & Kallal RJ. 2019. Nylanderia of the World Part III: Nylanderia in the West Indies. Zootaxa. 4658: 401-451. DOI: 10.11646/zootaxa.4658.3.1
13. Michalik P, Kallal RJ, Dederichs T, Labarque FM, Hormiga G, Giribet G, & Ramírez M. 2019. Phylogenomics and genital morphology of cave raptor spiders (Araneae, Trogloraptoridae) reveal an independent origin of a flow-through female genital system. Journal of Zoological Systematics and Evolutionary Research. DOI: 10.1111/jzs.12315.
12. Kallal RJ, Dimitrov D, Arnedo MA, Giribet G, & Hormiga G. 2019. Monophyly, taxon sampling, and the nature of ranks in the classification of orb-weaving spiders (Araneae: Araneoidea). Systematic Biology. DOI: 10.1093/sysbio/syz043
11. Kallal RJ & Hormiga G. 2019. Evolution of the pedipalp of the orb-weaver hunting spider Chorizopes (Araneae, Araneidae) revisited on a new phylogeny and description of a third species from Madagascar. Invertebrate Systematics. 33: 473-487. DOI: 10.1071/IS18061
2018
10. Kallal RJ, Fernández R, Giribet G, & Hormiga G. 2018. A phylotranscriptomic backbone of the orb-weaving spider family Araneidae (Arachnida, Araneae) supported by multiple methodological approaches. Molecular Phylogenetics and Evolution. 126: 129-140. DOI: 10.1016/j.ympev.2018.04.007
9. Fernández R, Kallal RJ, Dimitrov D, Ballesteros JA, Arnedo MA, Giribet G, & Hormiga G. 2018. Phylogenomics, lineage diversification dynamics and comparative transcriptomics across the Spider Tree of life. Current Biology. 28: 2190-2193. DOI: 10.1016/j.cub.2018.03.064.
8. Kallal RJ & Hormiga G. 2018. Systematics, phylogeny, and biogeography of the Australasian leaf-curling orb-weaving spiders (Araneae: Araneidae: Zygiellinae), with a comparative analysis of retreat evolution. Zoological Journal of the Linnean Society. 184: 1055-1141. DOI:10.1093/zoolinnean/zly014
7. Kallal RJ & Hormiga G. 2018. An expanded phylogeny of metaine spiders (Araneae, Tetragnathidae) with descriptions of new metaine and leucaugine taxa from Taiwan and the Philippines. Invertebrate Systematics. 32: 400-422. DOI: 10.1071/IS17058.
2017
6. Levi HW & Kallal RJ. 2017. Araneidae. In: Spiders of North America: an identification manual. Eds: Ubick D, Paquin, P, Cushing PE, Roth V. 2nd Ed. American Arachnological Society: Keene, NH, USA.
2016
5. Kallal RJ & Hormiga G. 2016. Redescription of the Jamaican orb-weaving spider Chrysometa pecki Levi 1986 (Araneae, Tetragnathidae), including the first description of the male. Zootaxa. 4066: 95-100. DOI: 10.11646/zootaxa.4066.1.11.
2012
4. Kallal RJ & LaPolla JS. 2012. Monograph of Nylanderia (Hymenoptera: Formicidae) of the World, Part II: Nylanderia of the Nearctic. Zootaxa. 3508: 1-64.
3. Gotzek D, Brady SG, Kallal RJ, & LaPolla JS. 2012. The importance of using multiple approaches for identifying emerging invasive species: the case of the Rasberry Crazy Ant in the United States. PLoS One. 7: e45314. DOI: 10.1371/journal.pone.0045314
2. LaPolla JS, Kallal, RJ, & Brady SG. 2012. A new ant genus from the Greater Antilles and Central America, Zatania (Hymenoptera: Formicidae), exemplifies the utility of male and molecular character systems. Systematic Entomology. 37: 200-214.
2010
1. Kallal RJ, Godfrey SJ, & Ortner DJ. 2010. Bone reactions on a Pliocene cetacean rib indicate short-term survival of predation event. International Journal of Osteoarchaeology. 22: 253-260. DOI: 10.1002/oa.1199.
Presentations
Invited talks
2021
Kallal RJ. X-rays and arachnids: exploring spider shape using micro-computed tomography. Senate of Scientists symposium, ‘Digital Imagery for Natural History Knowledge’
2019
Kallal RJ. Of ants and arachnids: what taxonomy and trees can help us learn about two diverse arthropod clades. United States Department of Agriculture, Washington, DC
2018
Kallal RJ. Spinning yarns with spider silk: untangling spider biology with new phylogenies and methods. Entomological Society of Washington, DC
2017
Kallal RJ. Curled leaves and family trees: phylogeny and comparative biology of spiders in the next-gen era. Entomology seminar series, National Museum of Natural History, Smithsonian Institution, Washington, DC
Selected conference presentations
2021
Kallal RJ, de Miranda G, & Wood HW. Tales of schizomid tales: patterns in schizomid flagellum shape from elliptical Fourier analysis. The Annual Meeting of the American Arachnological Society.
Kallal RJ & Wood HW. Testing for modularity in the spider feeding apparatus using high density three-dimensional geometric morphometrics. Evolution.
Kallal RJ & Wood HW. Strike kinematics of the araneoid trap jaw spider Pararchaea alba. The Annual Meeting of the Society of Comparative and Integrative Biology.
2020
Kallal RJ, Kulkarni SS, Dimitrov D, Benavides LR, Arnedo MA, Giribet G, & Hormiga G. Strategic sampling and novel analyses suggest new relationships and multiple orb web origins in the spider tree of life. The Annual Meeting of the American Arachnological Society.
2019
Kallal RJ, Moore AJ, & Hormiga G. The shape of weaver: using geometric morphometrics to explore shape disparity in Araneidae (Arachnida: Araneae). The International Congress of Arachnology, Christchurch, New Zealand.
Kallal RJ, Moore AJ, & Hormiga G. The shape of weaver: the evolution of carapace shape disparity in orb-weaving spiders (Arachnida: Araneae: Araneidae). The Annual Meeting of the Society of Comparative and Integrative Biology, Tampa, FL.
2018
Kallal RJ, Fernández R, Giribet G, & Hormiga G. Phylotranscriptomic analyses reveal well-supported relationships in orb-weaving spiders (Araneidae). The Annual Meeting of the Willi Hennig Society, Barcelona, Spain.
2017
Kallal RJ, Fernández R, Giribet G, & Hormiga G. Effects of orthology assessment and gene occupancy on the phylogenomic analysis of the orb-weaving spider family Araneidae (Arthropoda, Arachnida, Araneae). Evolution, Portland, OR.
2016
Kallal RJ & Hormiga G. Systematics of the Australasian leaf-curling spider Phonognatha and evolution of orb-web retreats. International Congress of Arachnology, Golden, CO.
2015
Kallal RJ & Hormiga G. Phylogenetic placement of the spider genera Chrysometa and Menosira (Araneae, Tetragnathidae). GWU Summer Research Expo.
Kallal RJ & Hormiga G. Systematics of the Australian leaf-curling spiders Phonognatha and Deliochus (Araneae, Araneidae). The Annual Meeting of the American Arachnological Society, Mitchell, SD.
Kallal RJ, Ballesteros JA, Moreira TS, & Hormiga G. Converse Bergmann’s rule in Leucauge venusta (Araneae, Tetragnathidae) in the southeastern United States. The Annual Meeting of the American Arachnological Society, Mitchell, SD.
2014
Kallal RJ & Hormiga G. New species of metaine spider (Araneae, Tetragnathidae). Evolution, Raleigh, NC.
2021
Kallal RJ. X-rays and arachnids: exploring spider shape using micro-computed tomography. Senate of Scientists symposium, ‘Digital Imagery for Natural History Knowledge’
2019
Kallal RJ. Of ants and arachnids: what taxonomy and trees can help us learn about two diverse arthropod clades. United States Department of Agriculture, Washington, DC
2018
Kallal RJ. Spinning yarns with spider silk: untangling spider biology with new phylogenies and methods. Entomological Society of Washington, DC
2017
Kallal RJ. Curled leaves and family trees: phylogeny and comparative biology of spiders in the next-gen era. Entomology seminar series, National Museum of Natural History, Smithsonian Institution, Washington, DC
Selected conference presentations
2021
Kallal RJ, de Miranda G, & Wood HW. Tales of schizomid tales: patterns in schizomid flagellum shape from elliptical Fourier analysis. The Annual Meeting of the American Arachnological Society.
Kallal RJ & Wood HW. Testing for modularity in the spider feeding apparatus using high density three-dimensional geometric morphometrics. Evolution.
Kallal RJ & Wood HW. Strike kinematics of the araneoid trap jaw spider Pararchaea alba. The Annual Meeting of the Society of Comparative and Integrative Biology.
2020
Kallal RJ, Kulkarni SS, Dimitrov D, Benavides LR, Arnedo MA, Giribet G, & Hormiga G. Strategic sampling and novel analyses suggest new relationships and multiple orb web origins in the spider tree of life. The Annual Meeting of the American Arachnological Society.
2019
Kallal RJ, Moore AJ, & Hormiga G. The shape of weaver: using geometric morphometrics to explore shape disparity in Araneidae (Arachnida: Araneae). The International Congress of Arachnology, Christchurch, New Zealand.
Kallal RJ, Moore AJ, & Hormiga G. The shape of weaver: the evolution of carapace shape disparity in orb-weaving spiders (Arachnida: Araneae: Araneidae). The Annual Meeting of the Society of Comparative and Integrative Biology, Tampa, FL.
2018
Kallal RJ, Fernández R, Giribet G, & Hormiga G. Phylotranscriptomic analyses reveal well-supported relationships in orb-weaving spiders (Araneidae). The Annual Meeting of the Willi Hennig Society, Barcelona, Spain.
2017
Kallal RJ, Fernández R, Giribet G, & Hormiga G. Effects of orthology assessment and gene occupancy on the phylogenomic analysis of the orb-weaving spider family Araneidae (Arthropoda, Arachnida, Araneae). Evolution, Portland, OR.
2016
Kallal RJ & Hormiga G. Systematics of the Australasian leaf-curling spider Phonognatha and evolution of orb-web retreats. International Congress of Arachnology, Golden, CO.
2015
Kallal RJ & Hormiga G. Phylogenetic placement of the spider genera Chrysometa and Menosira (Araneae, Tetragnathidae). GWU Summer Research Expo.
Kallal RJ & Hormiga G. Systematics of the Australian leaf-curling spiders Phonognatha and Deliochus (Araneae, Araneidae). The Annual Meeting of the American Arachnological Society, Mitchell, SD.
Kallal RJ, Ballesteros JA, Moreira TS, & Hormiga G. Converse Bergmann’s rule in Leucauge venusta (Araneae, Tetragnathidae) in the southeastern United States. The Annual Meeting of the American Arachnological Society, Mitchell, SD.
2014
Kallal RJ & Hormiga G. New species of metaine spider (Araneae, Tetragnathidae). Evolution, Raleigh, NC.