Character Details

Character

Hypostomal carina [48]

Description

The hypostomal carina occurs between the oral cavity and the posterior surface of the head, indicating a hypothetical separation between hypostomal and genal structures. In some Chalcidoidea, this carina has a dorsal extension that proceeds dorsally to the foramen magnum. If this extension is part of the true hypostomal carina, it would indicate that medial areas comprise a true hypostomal bridge. However, the ultimate derivation of these structures in different Chalcidoidea is unknown. Citation: Gates (2008: 17).

States

-: unassigned
notes:
coded examples: Foersterella reptans, Orasema simulatrix Gahan, 1940, Pseudochalcura gibbosa (Provancher, 1881), Eucharis adscendens (Fabricius, 1787), Leucospis affinis Say, 1824 (toggle remainder)
0: complete across cranial bridge
7057_mximage
1. Chromeurytoma...
 
notes:
coded examples: Eurytoma gigantea, Chromeurytoma sp., Archaeoteleia mellea, Stypiura dentipes (Fabricius 1804), Dirhinus giffardii Silvestri, 1913 (toggle remainder)
1: curved mesad but incomplete
7056_mximage
1.Cleonymus
 
notes:
coded examples: Cleonymus Latreille, 1809, Acanthochalcis_nigricans, Megastigmus transvaalensis, Belyta sp., Doddifoenus wallacei (toggle remainder)
2: extensions from hypostomal carinae extending dorsad between postgena and postocciput, not curved mesad
7058_mximage
1.Nasonia vitripennis
 
notes:
coded examples: Nasonia vitripennis, Mymaromma, Asaphes sp., Eunotus sp., Idioporus affinis (toggle remainder)
3: hypostomal carina entirely absent
7055_mximage
1. Coccophagus rusti...
 
notes:
coded examples: Cales noacki Howard, 1907, Coccophagus rusti, Cirrospilus coachellae, Coccobius fulvus, Gonatocerus ashmeadi (toggle remainder)