128 [NoTember, 



Caput exsertum : facie triangulari, perpendicular! : antennis corpore 

 brevioribus, gracilibus, filiformibus ; articulo primo curvato, basi ad 

 apicem inerassato ; secuodo brevi ; sequentibus cjliudricis, fere aequali- 

 bus, singulis primo longitudine sequalibus : oculis prominentibus, semi- 

 globosis : palpis maxillaribus crassis, apice ovato-rotundatis. Thorax 

 transversus, modice convexus ; disco baud impresso ; lateribus sub-rectis, 

 anguate margiuatis ; angulis anticis incrassatis, glandula setifera in- 

 structis. Elytra thorace latiora, sub-elongata, sub-paraUela, postice vix 

 dilatata ; dorso convexa, infra basim non transversim impressa ; con- 

 fusim punctata. Pedes graciles, elongati ; coxis anticis erectis, prosterno 

 vix separatis ; femoribus posticis baud incrassatis ; tibiis omnibus apice 

 spina acuta armatis ; tarsoriim posticorum articulo primo cseteris con- 

 junctis longitudine gequali. Prosternuni lineariforme, fere obsoletum. 



Type Astena atripes. 

 Astena may be known from IpJiidea by tbe sborter basal joint of 

 the binder tarsi, as well as the much shorter and stouter spine at the 

 apex of the tibiae ; the antennae, also, are more slender. 

 Astena atripes, n. a. 



Elongata, sub-angustata, convexa, fusco-fulva, nitida ; antennis, ore, 

 pedibusqae nigris ; elytris hasi apicem versus leniter dilatatis, medio 

 infra basim leviter depressis, subtiliter punctatis. Long. 4| lin. 

 Hab. : India. 



Head exserted, face triangular ; encarpse sub-triangular, contiguous. 

 Thorax two-thirds broader than long ; sides narrowly margined, nearly 

 straight, distinctly notched in the middle, slightly converging from base 

 to apex ; basal margin oblique on either side, distinctly notched in the 

 middle ; upper surface smooth, very minutely punctured. Elytra much 

 broader than the thorax, sub-parallel, slightly dilated from the base 

 towards the apex ; convex, depressed on the suture just below the 

 basilar space ; finely but distinctly punctured. 



(To le continued). 



OBSERVATIONS ON THE ECO^i[OMY, MOULTING, AND PUPATION 



OF THE LARVA OF LYONETIA CLERCKELLA. 



BT CHAKLES HE ALT. 



When this larva, which, it is well known, makes long serpentine 

 mines in its various food-plants, is about to undergo its fii'st moult, it 

 lies in a quiescent state in its mine, and if closely examined with a lens 

 a day or so afterwards, its body will be found to be dusted with 

 a number of very minute dark spots ; these spots enlarge, until at 



