502 CATALOGUE OF 



8. Mesops filatus. 



Mas. Testaceus, longus, gracillhnus ; caput prolhorace paullo longius, 

 antice longi-conicum et marginatum, fronte guadricarinala ; oculi 



fusifonnfis, subobliqui ; anteniue setacea:, cor pore breviores, tirticulis 

 3o bum subdilatalis ; prothornx Irirarinatus ; prosternum transverse 



jugatum ; pedes gracillimi, spinulosi ; alee posticcB diaphanm, pallida 

 venosw, abdomen superantes. 



Male. Testaceous, loufr, linear, very slender. Head a little longer 

 above than the prothorax ; part in front of the eyes elongate-conical, with 

 elevated borders, a little shorter than the part behind the eyes; front with 

 four keels, the inner pair diverging^ towards the face. Eyes fusiform, 

 slightly oblique, not prominent. Antennae setaceous, much more than 

 half the length of the body; third, fourth and fifth joints slightly dilated. 

 Prothorax with thin well-defined parallel keels; fore border and sides 

 straight; hind border much rounded. Prosternum with a transverse ridge. 

 Legs very slender; spines of the four anterior tibite e.xtreuiely small ; those 

 of the hind tibiae small and in two rows. Wings extending rather beyond 

 the abdomen. Hind wings pellucid: veins pale. Length of the body 

 12 lines ; expansion of the fore wings 24 lines. 



a, b. North Hindostaa. From Dr. Hooker's colleciion. 



b. Oculi plus minusve ]irominuli. 

 * ('aput inothorace longius. 

 f Antenna; non dilalatce. 

 \ Corpus fere cylindricum. 



Genus 4. LEGUA. 



Corpus longum, gracile, fere cylindricum. Caput subpunclatum, 

 lanceolatum, prothorace supra paullo longius, apice carinatum et sulcatum. 

 Oculi ovati, obliqui, non prominuli. Antenuce selaceE, graciles, capile et 

 prothorace ad unum aequilongae. Prothorax antice subtruncalus, postice 

 rotundatus. Prosternum obtuse bideutatum. Pedes sat graciles; tibiae 

 quatuor anteriores spinuloste; tibiaj posticae biseriatim spinosse. Alae 

 anticae angustse, acuta. Alae posticae valde brevioies. 



Body long, slender, nearly cylindical. Head thinly punctured, lanceo- 

 late, a little longer above and much longer on each side than the pro- 

 thorax ; part in front of the eyes a little longer than that behind them, 

 keeled and furrowed at the tip; front with four keels, of which the middle 

 pair are very approximate. Eyes oval, oblique, not prominent. Antennae 

 slender, setaceous, as long as the head and the prothorax together. Pro- 

 thorax with three slight transverse impressed lines ; fore border slightly 

 truncated; hind border rounded. Prosternum with two rounded teeth. 

 Legs rather slender; four anterior tibiae with very minute spines; hind 

 tibiae much shorter than the hind femora, with two rows of stout spines. 

 Fore wings narrow, acute, much longer than the hind wings, which extend 

 beyond the abdomen. 



The much elongated head distinguishes this genus from Opomala, to 

 which it is more nearly allied than to Mesops, 



