Alternative reproductive strategies in wasps: queen, worker, or both? M. H. Richards Highlight Article 01 July 2019 Pages: 333 - 334
To leave or to stay: direct fitness through natural nest foundation in a primitively eusocial wasp A. BrahmaS. MandalR. Gadagkar Research Article 24 April 2019 Pages: 335 - 342
Ants in isolation: obstacles to testing worker responses to task stimuli outside of the colony context N. LeitnerC. LynchA. Dornhaus Research Article 07 March 2019 Pages: 343 - 354
The effect of ground surface rugosity on ant running speed is species-specific rather than size dependent M. E. GrevéS. BláhaH. Feldhaar Research Article 07 March 2019 Pages: 355 - 364
Hybridization in the European carpenter ants Camponotus herculeanus and C. ligniperda (Hymenoptera: Formicidae) B. Seifert Research Article 12 March 2019 Pages: 365 - 374
Natural history and ecology of fungus-farming ants: a field study in Atlantic rainforest M. U. V. RonqueR. M. FeitosaP. S. Oliveira Research Article 22 March 2019 Pages: 375 - 387
Population structure and sociogenetic organisation in a species with ergatoid queens, the desert ant Ocymyrmex robustior N. Lecocq de PletincxA. KuhnS. Aron Research Article 08 April 2019 Pages: 389 - 401
Wood excavation, construction, and architecture in two Reticulitermes subterranean termites L. BervilleE. Darrouzet Research Article 20 April 2019 Pages: 403 - 411
Population genetic structure of native Iranian population of Apis mellifera meda based on intergenic region and COX2 gene of mtDNA M. ModaberJ. Nazemi RafieH. Rajabi-Maham Research Article 24 April 2019 Pages: 413 - 424
Alates of the termite Reticulitermes flaviceps feed independently during their 5-month residency in the natal colony Z. KhanM. ZhangL. X. Xing Research Article 17 May 2019 Pages: 425 - 433
Acromyrmex fowleri: a new inquiline social parasite species of leaf-cutting ants from South America, with a discussion of social parasite biogeography in the Neotropical region C. RabelingS. MesserJ. H. C. Delabie Research Article 17 May 2019 Pages: 435 - 451
Larvae promote a decline in the harvesting of myrmecochorous seeds by Myrmica rubra ants A. BolognaC. Detrain Research Article 22 May 2019 Pages: 453 - 461
Quantitative variations of Constrictotermes cyphergaster (Isoptera) instars over time in a Neotropical semiarid ecosystem E. F. LucenaA. VasconcellosF. M. S. Moura Research Article 22 May 2019 Pages: 463 - 470
Unique nest entrance structure of Partamona helleri stingless bees leads to remarkable ‘crash-landing’ behaviour K. ShackletonN. J. BalfourF. L. W. Ratnieks Research Article Open access 31 May 2019 Pages: 471 - 477
Queen–worker aggression in the facultatively eusocial bee Megalopta genalis A. R. SmithM. SimonsM. A. Seid Research Article 19 June 2019 Pages: 479 - 490
Behavioural response of workers to repeated intergroup encounters in the harvester ant Messor barbarus G. BirchM. A. CantF. J. Thompson Research Article Open access 19 June 2019 Pages: 491 - 500
In memoriam Jacques Gervet (1934–2018) G. TheraulazV. FourcassiéM. Pratte In Memoriam 22 May 2019 Pages: 501 - 502
Correction to: Intraspecific variation in colony founding behavior and social organization in the honey ant Myrmecocystus mendax T. H. ErikssonB. HölldoblerJ. Gadau Correction Open access 17 April 2019 Pages: 503 - 503