Mr. I). Sharp on (he Elatcridw of Neio Zealand. 399 



1. TltdnuHiis Wakejiehl i, n. ii[t. 



T. nigor, sat nitidus, bri'vitor ot fr(|Uiiliter fusco p\il)cscens ; pro- 

 thorace crchre pum-tuto. aiifjulis poBtcrioribuH hand divergeiitihus ; 

 I'lvtris subtilitor striatis, iiitorstitiis aqualibus, subtiliter puiicta- 

 tis, apice suhrotundatis ; antonniH articulis sccimdo et tcrtio 

 brevibii;!, scd hoc (Hiam illo paulo longiore ; sutura intercoxali 

 profunda. Long. 21i-:i0 m. m. 



This species is characterized by its comparatively large size, 

 uniform and even pubcscejice and punctuation, by the short 

 but yet not extrcnu'ly aljbreviatcd iivd joint of tlic antcnna3, 

 and by the front anterior angle of each of joints 4-10 of the 

 antennae being acute but not prolonged. 



Oxford, Feb. 1873 ; Dry bush ; Christchurch ; Ilokitika ; 

 Rangiora ; Akaroa, Dec. 19, 1874. The species varies consi- 

 derably in size ; one .small specimen is marked in ^Ir. Wake- 

 field's collection as found on a hill-top at Akaroa by Mr. 

 Fereday. The species also occurs in the Northern Island, as 

 some portions of a specimen have been received by Mr. Law- 

 son from his brother at Auckland. 



I^Ir. Wakefield has brought back, in spirit, specimens of 

 the larva3 and pupa? of this species; these I describe below : — 



Larva 38 m. m. long., 8 m. m. lat. (on 9th and 10th seg- 

 ments), of thirteen segments, including the head ; of these the 

 head is fuscous or pitchy, and the two folloAving segments 

 are more or less infuscate, the other segments whitish ; the 

 2nd segment as large as the 3rd and 4th together, the 8th to 

 10th segments are the broadest. Front of head deeply emar- 

 ginate in the middle, the emargination furnished in front with 

 a band of cilia, and in the middle with a horny ])rominonce, 

 terminating in three short teeth, one of which is placed above 

 the other two. Antennae three-jointed *, and with a mem- 

 branous probably retractile support, the apical joint very 

 slender. Mandibles rather long^ acuminate, simjjle ; u])per 

 surface of head with coarse but not very numerous punctures. 

 ]\Iaxilla elongate, and furnished at the apex with a four- 

 jointed palpus ; labial ]}alpi two-jointed. Dorsal segments, 

 especially 4-8, more or less piinctured, the punctures bearing 

 short hairs. The 13th dorsal segment small, furnished to- 

 wards the apex with rough, coarse, hard, brown tubercles, 

 each of which bears several hairs ; the apex is prominent on 

 each side, the prominence being surmounted by a robust 

 double tubercle ; thirteenth ventral segment swollen at its 



• The antennre of the Elaterid larvao are described by Perris and 

 Lacordaire as 4-jointf'd; but it seems tonietliat the supposed basal joint 

 is merely a membranous ])rojoction or support, and shows no (race of an 

 articulation at its base. 



