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Table 2 Types of neurons, numbers, and their localisation as identified by tracing the nerves innervating the defence glands of stick insects. In all tracing experiments, neurobiotin solution was used unless indicated otherwise

From: Neurons of self-defence: neuronal innervation of the exocrine defence glands in stick insects

  Nervus anterior SOG Nervus posterior SOG/Nervus anterior T1 (Intersegmental nerve complex)
SOG T1 SOG T1
Carausius morosus 1 ILN, 1-2 CLN, 3-4 VMNs (n = 9) - (n = 24) n. d. n. d.
Sipyloidea sipylus 1 ILN, 1 CLN, 2-5 VMNS (n = 25) 1 PIN (n = 25) 1 SMN (n = 20) 1-2 DUM, 1 DN (n = 20)
Peruphasma schultei 1 ILN, 1 CLN, 3 VMNs (n = 24: n = 6 traced with cobalt solution; n = 18 traced with neurobiotin solution) 1 PIN (n = 24) n. d. n. d.
Tracing of N. ant. SOG to brain: n = 8
Tracing of N. ant. SOG to T2/T3: n = 8
Extatosoma tiaratum 1 ILN, 2-3 VMNs (n = 6) - (n = 6) n. d. n. d.
  1. ILN ipsilateral neuron, CLN contralateral neuron, DN dorsal neuron, DUM dorsal unpaired median neurons, n. d not determined, PIN prothoracic intersegmental neuron, SMN suboesophageal midline neuron SOG, suboesophageal ganglion, VMN ventral median neuron