Thyreodon santarosae, Porter, 1986

Gauld, Ian D. & Janzen, Daniel H., 2004, The systematics and biology of the Costa Rican species of parasitic wasps in the Thyreodon genus-group (Hymenoptera: Ichneumonidae), Zoological Journal of the Linnean Society 141 (3), pp. 297-351 : 301

6. Propodeum smooth and polished posteriorly, punctate, without obvious rugae or reticulations ( Fig. 33 ); frons between antennal sockets with a raised, more or less quadrate prominence ( Fig. 15 )...................................................... 3. santarosae

– Propodeum rugose or reticulate, rarely coriaceous posteriorly, but never smooth with punctures ( Figs 34–36 ); frons with a small tubercle between antennal sockets, often with low dorsally divergent carinae ( Fig. 16 )....................................................7

7. Mesosoma orange-brown to reddish brown (cf. Fig. 3 )..................................................8

– Mesosoma black ( Figs 5, 6 )....................................................................... 10

Figures

Figures 33–38. SEM photographs of Thyreodon spp. 33–36, propodeum, dorsal; 33, T. santarosae; 34, T. atriventris; 35, T. rivinae; 36, T. darlingi. 37–38, mesoscutum dorsal; 37, T. darlingi; 38, T. walkerae.

Figures 15–20. SEM photographs of Thyreodon spp. 15–16, head, anterior, showing interantennal area; 15, T. santarosae; 16, T. walkerae. 17–18, mesopleuron, lateral; 17, T. morosus; 18, T. walkerae. 19–20, propodeum, lateral; 19, T. whitfieldi; 20, T. laticinctus.

Figures 3–6. Thyreodon species, whole insects, lateral, showing major colour patterns found in the genus. 3. T. atriventris. 4. T. laticinctus. 5. T. walkerae. 6. T. schauffi. Scale bar = 5 cm.