@article{fdi:010070279, title = {{C}hemical systematics of {N}eotropical termite genera with symmetrically snapping soldiers ({T}ermitidae : {T}ermitinae)}, author = {{K}yjakova, {P}. and {R}oy, {V}. and {J}irosova, {A}. and {K}rasulova, {J}. and {D}olejsova, {K}. and {K}rivanek, {J}. and {H}adravova, {R}. and {R}ybacek, {J}. and {P}ohl, {R}. and {R}oisin, {Y}. and {S}illam-{D}uss{\`e}s, {D}avid and {H}anus, {R}.}, editor = {}, language = {{ENG}}, abstract = {{T}ermite soldiers often combine mechanical adaptations with defensive chemicals secreted from the frontal gland. {A}mongst the most remarkable strategies for mechanical defence, symmetrical and asymmetrical snapping mandibles evolved in several lineages of the diversified subfamily {T}ermitinae ({T}ermitidae). {T}he contribution of the frontal chemical weapon to defence in snapping soldiers has long been doubted and the subfamily {T}ermitinae overlooked with respect to soldier-produced chemicals. {W}e recently reported an active frontal gland secreting unique defensive chemicals in the symmetrically snapping soldiers of {C}auitermes tuberosus. {T}he aim of the present study was a larger-scale comparison of chemical defence in symmetrically snapping soldiers. {W}e studied the anatomy of the frontal gland and the chemistry of its secretion in five additional {N}eotropical species and mapped our observations on a de novo constructed molecular phylogeny of the target group. {W}e show that the soldiers of all studied species possess a functional frontal gland, housed in part in the frontal projections on their heads. {P}hylogenetic reconstruction groups the studied taxa into two well-defined clades, supported by fundamental differences in defensive chemicals, either arising exclusively from the lipogenic pathway or containing also the products of the isoprenoid pathway. {O}ur results also identify a new genus of symmetrical snappers, related to the genus {C}avitermes, incorrectly classified in several previous studies.}, keywords = {chemical defence ; frontal gland ; {I}nquilinitermes ; {I}soptera ; social insects ; {S}pinitermes ; {T}ermes ; {GUYANE} {FRANCAISE} ; {ZONE} {TROPICALE}}, booktitle = {}, journal = {{Z}oological {J}ournal of the {L}innean {S}ociety}, volume = {180}, numero = {1}, pages = {66--81}, ISSN = {0024-4082}, year = {2017}, DOI = {10.1111/zoj.12486}, URL = {https://www.documentation.ird.fr/hor/fdi:010070279}, }