X98 MONOGRAPHIA CHALCIDITUM. 



antennas 11-articulatag, clavatce, thorace breviores ; articulus l us , 

 linearis, gracilis ; 2 US . mediocris ; 3 US . et 4 US . vix conspicui ; 

 5 US . et sequentes ad 8 um . gradatim longiores et latiores ; clava 

 articulis 8°. et 9°. mult6 longior et latior, apice quasi truncata : 

 thorax fere quadratus : prothorax parvus, brevissimus : meso- 

 thoracis parapsidum suturae vix conspicuae ; paraptera et epimera 

 bene determinata ; scutellum fere rotundum, postice subproductum 

 et abdominis basin attingens : metathorax supra vix conspicuus : 

 abdomen fere quadratum, paullo longius quam latum, quasi 

 subtilissime squameum ; segmentum l um . maximum, reliqua 

 omnino obtegens et ultra abdominis apicem productum : pedes 

 simplices, graciles, breves: ala? breves, angustse : nervus ala. dimidio 

 brevior; humeralis longus ; ulnaris brevis ; cubitalis radiali longior 

 et angulum plerisque hujus familiae acutiorem fingens. 



Sp. 1. Eun. cretaceus. Mas. Nigro-viridisyantennisfulvo- 

 fuscis, pedibusjuscis, alls subfuscis. 



Nigro-viridis, obscurus : oculi ocellique rufo-f'usci : antennae fulvo- 

 fuscae ; articulus 2 US . obscure fuscus : abdomen quasi subtilisime 

 squameum, basi laeve : pedes nigro-fusci ; coxae virides ; tibiae 

 pallide fuscae ; genua tarsique fiava, horum articulus 5 US . ungues 

 et pulvilli fusci : alas subfuscae ; squamulas et nervi fusca ; stigma 

 minimum. (Corp. long. \ lin. ; alar, f lin.) 



Fern. — Aptera. 



June and September ; on chalk cliffs in the Isle of Wight. 

 I found one specimen of the female in the same situation, but 

 have since lost it. 



J J Antennce \'2-articulatce. 



, j- rr, ( latUS V. M ERAPORUS. 



i mediocris. 1 horax apice < , n ,» T „_ 



,„ 1 < angustus . . . VI. Metastenus. 



Clava < v ° 



%_ maxima VII. Metopon. 



Genus V. — Meraporus, 6 Walker. 



Corpus breve, vix pubescens : maris caput magnum thorace latius, 

 fern, thorace vix latius : mandibular 4-dentatas, subquadratse, fere 

 rectas, intus indentatae, similes ; dentes obtusi, parvi, subsequales : 

 maxillas elongatas, subarcuatae, apice angustae, acuminata; ; palpi 

 4-articulati, mediocres, filiformes ; articulus 2 ,1S . 1°. paullo longior; 



* fxtpos pars, &tropos egenus. 



