BRITISH CYNIPITES. 167 



concursum fingentes : metalae nervo unico subcostali ramulum 

 rejiciente longum. 

 Tardipedes, gallicolae, (Cynips megaptera, Panzer, &c.) 



XXIV. — Mas et Fern. Sect. XXI. similis : antennse moniliformes ; 



thorax angustus ; segmenta non bene deterrainata ; scutellum 



non extans nee productum : abdominis segmentum 1^"^. magnum ; 



sequentia breviora : alae nullae. 

 Species unica (Cynips aptera, Fabricius) radicibus subterraneis 



gallicola. 



XXV. — Mas et Fern, Sect. XXI. similis : abdomen minus compres- 

 sum : antennae moniliformes; mart lA-fem. 13-articulatae, 3"^. 

 quasi tortus, subtus arcuatus, apice dilatatus : abdomen thorace 

 brevius et angustius ; segmentum 1""". magnum reliqua breviora : 

 alae mediocres ; nervus transversus extimus quam Sect. XXI. 

 brevior. 



XXVI. — Mas et Fern. Corpus mediocre, convexum, subtilissime 

 scabrum, parce hirtum : caput breve, subquadratum, thoracis 

 latitudine : trophi minimi : mandibulae quadratae, bidentatse, fere 

 rectse ; dentes acuti : maxillae longae, angustae, fere rectae ; 

 lacinise acuminatae, intus lobatae ; palpi 3-articulati ?, breves, 

 clavati, apice setosi ; articulus 1"^. longicyathiformis, 2"^. brevis, 

 3"^. longiovatus : labium angustum ; palpiger furcatus ; ligula 

 brevis, lata, ciliata ; palpi 2-articulati ?, brevissimi ; articuli lati, 

 subrotundi : raar't antennae IS-articulatae, filiformes, corporis lon- 

 gitudine ; articulus 1"^ cyathiformis ; 2"^. subrotundus ; 3"^ 

 longus, gracilis, teres; sequentes ad 15"™. curtantes : fern. 

 antennae pauUo breviores, extrorsum crassiores ; articulus 14"^. 

 13°. major: thorax ovatus : prothorax supra vix conspicuus : 

 mesothoracis parapsidum suturae bene determinatse, postice mutuo 

 accedentes fere occurrentes : scutellum extans, fere rotundum, 

 postice declive : metathorax mediocris declivis : petiolus brevis- 

 simus : abdomen ut Sect. XXIII. : alae mediocres ; nervi ut 

 Sect. XXIII., extimus transversus brevior. 



Tardipedes, gallicolae (Cynips lenticularis, Olivier, &c.) 



XXVII. — Mas et Fern. Corpus mediocre, convexum, hirtum : 

 caput subquadratum, thorace paullo latius, scite punctatum, 

 postice angustius : mari antennae 15-articulatae, filiformes, corpore 

 longiores ; articulus 1"*. brevicyathiformis ; 2"^. rotundus ; 3"^. 

 longus, gracilis, linearis; sequentes ad 13""". curtantes; 14"\ 

 13°. paullo longior : fern, antennae 1 4-articulatae, paullo bre- 

 viores : thorax ovatus : prothorax supra vix conspicuus : meso- 

 thoracis scutum subtilissime squameum ; parapsidum suturae 



