2004

• Packer, L. 2004. Taxonomic and behavioural notes on Patagonian Xeromelissinae with the description of a new species (Hymenoptera: Colletidae). Journal of the Kansas Entomological Society 77: 805–820. Reference page. 

2005

• Genaro, J.A. & Packer, L. 2005: A revision of the genus Xenochilicola (Hymenoptera: Apoidea, Colletidae), with the description of a new species. Zootaxa 1054: 1–14. Abstract & excerpt PDF. Reference page. 

2006

• Gibbs, J. & Packer, L. 2006: Revision and phylogenetic analysis of Chilicola sensu stricto (Hymenoptera: Colletidae) with the description of a new species. Zootaxa 1355(1): 1–37. DOI: 10.11646/zootaxa.1355.1.1 . Reference page. 

• Packer, L. 2006. A new Leioproctus with unique wing venation in males (Hymenoptera: Colletidae: Paracolletinae) with comments on unusual wing modifications in bees. Zootaxa 1104: 47–57. Abstract & excerpt. Full article (PDF). Reference page. 

2007

• Packer, L. & Genaro, J.A. 2007: Fifteen new species of Chilicola (Hymenoptera: Apoidea; Colletidae). Zootaxa 1468: 1–56. Abstract & excerpt. Reference page. 

• Willis, E. & Packer, L. 2007: Revision and phylogenetic analysis of Chilioediscelis (Hymenoptera: Colletidae) with descriptions of three new species. Zootaxa 1762: 29–52. Abstract & excerpt. Reference page. 

2013

• Gibbs, J., Packer, L., Dumesh, S. & Danforth, B.N. 2013. Revision and reclassification of Lasioglossum (Evylaeus), L. (Hemihalictus) and L. (Sphecodogastra) in eastern North America (Hymenoptera: Apoidea: Halictidae). Zootaxa 3672(1): 1–117. DOI: 10.11646/zootaxa.3672.1.1 . Reference page. 

2015

• Filhol, L.C.D.R. & Packer, L. 2015: Revision of the Neotropical subgenera Coelioxys (Platycoelioxys) Mitchell and C. (Rhinocoelioxys) Mitchell (Hymenoptera; Megachilidae) with the description of one new species. Zootaxa 3941(2): 151–203. DOI: 10.11646/zootaxa.3941.2.1 . Reference page. 

• Packer, L. & Martins, D. 2015: A new species of Samba s. str. (Hymenoptera: Melittidae) from the Turkana Basin, Kenya with observations on the function of the metatibial spur in females. Zootaxa 3918(2): 261–272. DOI: 10.11646/zootaxa.3918.2.7 . Reference page. 

2019

• Mir Sharifi, N., Graham, L. & Packer, L. 2019 Fifteen new species of Liphanthus Reed (Hymenoptera: Andrenidae) with two submarginal cells. Zootaxa 4645(1): 001–080. DOI: 10.11646/zootaxa.4645.1.1 . Reference page.