Figure 7 from: Hamer MT, Marquis AD, Guénard B (2021) Strumigenys perplexa (Smith, 1876) (Formicidae, Myrmicinae) a new exotic ant to Europe with establishment in Guernsey, Channel Islands. Journal of Hymenoptera Research 83: 101-124. https://doi.org/10.3897/jhr.83.66829

Figure 7 Distinguishing Strumigenys argiola from other long mandibular Strumigenys species AS. argiola with arrow showing the lack of standing hairs on mesosoma and pronotal humeral hair (CASENT0280693, Estella Ortega) BS. argiola, full face view with labral lobes and orbicular hairs indicated (CASENT0280693, Estella Ortega) CS. rogeri mesosoma profile, humeral hairs and standing mesoma hairs indicated (CASENT0179508, Erin Prado) DS. rogeri full face view showing lack of orbicular hairs and visible labral lobes (CASENT0179508, Erin Prado) ES. silvestrii mesosoma profile with standing hairs on mesosoma arrowed (FMNHINS0000078527, Gracen Brilmyer) FS. silvestrii in full face view with labral lobes not visible (FMNHINS0000078527, Gracen Brilmyer). Pictures available from www.antweb.org.