LOCUSTID^. 267 



more than twice the length of the prolhorax. Oviduct broad, curved, less 

 than one-fourth of the length of the abdomen. Legs slender; fore femora 

 with four minute spines in a row beneath; middle femora also with four 

 spines, but much more minute; hind femora with two rows of several 

 minute spines ; hind tibiae with two rows of numerous minute spines ; 

 third joint of the tarsi dilated. Fore wings about one-third of the length 

 of the abdomen. Hind wings shorter. 



It has a great resemblance to Lucera, but the structure is very 

 different. 



1. Natricia ochracea. 

 Mas et foem. Ochraceus, subtus pallidior; alee concolores. 



Male and female. Ochraceous, paler beneath. Head toward the 

 mouth and palpi paler. Eyes piceous. Wings like the body in colour. 

 Length of the body 6 — Q\ Hues. 

 o, h. China. Presented by J. C. Bowring, Esq. 



Genus bS. INSARA. 



Foem. Corpus gracile. Caput prothorace vix angustius ; carinula 

 antica plana; frons erecta, margine anticoinciso ; labrum magnum. Oculi 

 elliptici, valde convexi. Palpi maxillares pubescentes; arliculus 3us 4o 

 valdelongior ; 5us .'3o valde longior. Antennae gracillimae, corpore duplo 

 longiores. Prothorax dorso piano postice dilatato, carinis laieralibus bene 

 determinatis, margine poslico rotuudato, laleribus deflexis valde rotundatis. 

 Abdomen compressum, prothorace duplo longius, segmentorum marginibus 

 posticis unispinosis. Oviductus valde arcuatus, abdominis dimiclio non 

 longior. Pedes graciles; femora uniserialim spinosa ; tibiae qualuor 

 anteriores biseriatim spinosae; tibiae posticae quad rise riatim spinosae. AIsb 

 anticsB angustae, venis Iransversis paucis. Alae posiicae amplae. 



Female. Body slender. Head shining in front, nearly as broad as the 

 prothorax, wiih a little flat keel between the antennae, which are approxi- 

 mate ; front erect, its fore border excavated in the middle; labrum large. 

 Eyes elliptical, very prominent. Maxillary palpi pubescent; third joint 

 much longer than the fourth ; fifth subclavate, much longer than the 

 third. Antennae very slender, about twice the length of the body. Pro- 

 thorax with the flat dorsum contracted near the lure border, dilated hind- 

 ward; lateral keels strongly marked ; deflexed sides much rounded; hind 

 border rounded. Abdomen compressed, twice the length of the prothorax; 

 hind borders of the segments in the middle from the first to the apical one 

 successively more elongated into spines. Oviduct very deep, very much 

 curved upward, about half the length of the abdomen. Legs slender ; four 

 anterior femora with two minute spines beneath near the tips; hind femora 

 incrassaled for less than half the length from ihe base, with a single row of 

 three minute spines beneath ; four anterior tibiae with two rows of a few 

 slender spines beneath ; fore tibiae much dilated near the base; hind tibise 

 wiih numerous spines iu two rows. Wings long. Fore wings narrow, 

 with very few transverse veins. Hind wings broad, a little longer than the 

 fore wings; transverse veins numerous, especially along the exterior bordeT, 

 where there are intermediate longitudinal veins. 



