'2(') GENERA OF FIYMKXOPTERA. 



(lUL'-tiiird Idiijrer tliaii rinirlli. in % excised, juiiit,-; Inii'r, cylindrical, 

 small at base, gradually tliiukencd and truncate at tiji; 9 Hi. % 15- 



jointcd ItoloiKK'iicnia Mayr. 



Scutelliun bifoveate ; marginal nervure almost .straight, ciuliiig .suiiic distance 

 from co.stal edge; third abdominal segment but slightly shorter than 

 second; antennse reaching base of abdomen, (lagillar Joints cyliiKhical 



oval, 9 13-14, % 14 jointed I>ia;<»troi>htiM liartig. 



Scutellum with two shallow transverse fovese; wings long, marginal nervure 

 reaching costal edge, tip slightly beut and obtusely thickened, (agamic 

 fortn with long hairs on antentuc, legs and thorax) ; petiole in % hnig ; 

 antenna' snhliliform, long, third joint but slightly longer than fourth, 



9 13-14, % 15-jointed l>ry<»|>liaiita Forster. 



Scutellum with a deep transver.se suture, no foveic ; alidonun greatly com- 

 l)res.sed. knife-edged below: ventral valve long; antenna' 9 M-jointed. 



Tribalia Walsh. 

 Scutt'Uum inflated, fovere shallow and aluKJst confluent: antenna', third 



joint shorter than fourth, % 13-jointed ilitiKtrO|>liii!« Walsh. 



(>. — Scutellum with two fovea? ; marginal nervui-e reaching, or not quite reaching 

 costal edge, tip thickened, obtuse; antentue : third joint in 9 twice or 

 one-third longer than fourth, joints beyond eighth oval, cylindrical, or 

 beyond fourth very short; in % long, cylindrical, or oval cylindrical, 9 



1-2-15, % 14-16-jointed Aiidrii'iiM Hartig. 



Claws with one tooth ; antennas third joint in % twice or one-third longer 

 than fourth, others long, subequal ; in % third joint exci.sid, beyond 



fourth very short Subgenus Callirhytis For.st. 



Claws with two teeth ; antennie : third joint one-third longer than fourth, 

 joints to eighth long, cylindrical, subequal, following joints short. 



Subgenus Andricus llaiiig. 

 Scutellum (ajiterous form) with one fovea; head much broader tlian thorax. 

 wide back of eyes ; abdomen large and limg. with third, fourth, fifth and 

 sixth .segments sube(|ual ; antennae with joints beyond third short, cy- 

 lindrical, small at base, truncate at tiji. somewhat serrate: (wingi'd form) 

 marginal cell quite narrow, with the marginal nervure barely n-aching 

 costal edge; antennae longer and much more slender than in the wing- 

 less form, third joint in % greatly excised, following joints short. 9 II. 



% 15-jointed Bi4»i*liiza WCsiw. 



7. — Thorax narrow, head full behind the eyes. Species smootli. 



Scutellum without fovete and ending in a blunt horn : foi'ins apterous, or 



with rudimentary wings; antennfe 9 14-jointed .\<'ra!>>|»iN Mayr. 



Scutellum with a transvei-se curved groove at base, no foxca- ; face full. 

 cheeks with a di.stinct gi-oove; antennae: third joint in 9 '"iig, slender, 

 cylindrical, others long, cylindrical oval, subiqual ; in % third joint thick 

 eiied. excised, following joints short, 9 13, % 15-joint('d. 



I..4>^ailllIM Mayr. 

 Thoiax robust, bulging. Species rugose, not very hairy. 



Scutellum quadrate, elevated posteriorly, l)ifoveate ; abdomen globose ; mar- 

 ginal nervure acuminate, ending .some distiince from costsil edge ; wings 

 black, or with a large blotch at base of marginal cell ; antenna' short 

 third joint nearly twicu- as long a,s fourth, others short, cylindrical, 9 

 13-14, % 15-jointed Aiii|»liil»4»li|><>i Krinh. 



