Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae. Author Smith, F. text 1858 British Museum London http://antbase.org/ants/publications/8127/8127.pdf book 8127 C86CFDBF-61D9-48EE-9C2E-325FC0462B10 Genus 1. MYRMICA . Myrmica , Latr. Gen. Crust, et Ins. iv. 131. The number of joints varying in the different divisions into which the genus is subdivided, the maxillary palpi from 6 to 1, the labial palpi from 4 to 2. Ocelli obsolete in the workers. Females and workers armed with stings; the petiole of the abdomen with two nodes. Pupae usually naked, not enclosed in cocoons, but casting off a thin pellicle on arriving at the perfect condition or imago.