48 ORIENTAL ENTOMOLOGY.
notched; tlie last dorsal segment of tlie female elongate-conic and notched ; the last ventral segment
in the same sex entire; ventral svirface of the sheath of the male organs deeply notched; the latter
furnished Avith two long slender horny filaments; sheath of the ovipositor of the female flattened and
furnished with two slender hairy filaments; legs moderately long; all the tibiaj entire along the
external margin^ and with two minute apical spui's; tarsi sub-cylindricj heteromerous, the underside
of each joint clothed with a short velvetj^ pad; body more or less clothed with a delicate pubescence.
The family consists at present of the single genus TRICTENOTOMA, of which I have now the pleasure
to describe three species.
FIGURES 1 & 2.—SPECIES 1. TRICTENOTOMA CHILDRENII. G. R. Gray in Griff. Au. K. pi. 5 & 5*. ^.
Trictenotoma nigra, supra undicpie griseo-luteo pubesoens, mandibulis (in utroijne soxu) subfalcatis, antennis
pedilius maculisciue dualras elevatis pronoti nigris liujns lateribus sub-angvilatis, scntello triangiilari.
Trictenotoma black, covered on tlie upper surface with luteons-grey pubescence, the mandibles (in both sexes)
snbfalcate, antenuce, legs, and two elevated spots on the pronotum, black ; the sides of the latter somewhat
angnlated ; and the scutellum triangular.
Length of the insect l i to inches.
Inhabits various p.arts of India. In the Collections of the British Museum, Zoological Society, Hope, PaiTy, Westwood, &c.
FiGrRE 1. The female of the natural size; la, the last ventral segment of the abdomen with the last
dorsal segment extending beyond its extremity; lb, Ic, sheath of the o-\-ipositor.
FIGURE 2 a, head of the male; 2b, maxilla (1 cardo, 2 stipes, 3 mando, 4 squama palpigera, 5 galea,
6 palpus.) 2c, 2d, 2e, instrumenta labiaHa in different positions; 2f under-side of abdomen of this
sex; 2g, under-side of sheath; 2h, last dorsal segment of abdomen; 2i, upper side of sheath; 2k, 21,
inner sheath; 2 m, male organ; 2n, apex of ditto.
FIGURE 3.—SPECIES 2. TRICTENOTOMA TEMPLETONII. WESTW. G
Trictenotoma nigra supra luteo-albido pubescens, mandibulis mai'is extus valde sinnatis dente magno subapicali
erecto armatis, antennis pedibns maculisque duabus elevatis pronoti nigris hujns lateribns angnlatis, scuteUo triangnlari.
Trictenotoma black, above clothed with a luteous-buff pubescence, the mandibles of the male outwardly much
sinnated, and armed near the apex with a large upright tooth ; the antennsE, legs, and two elevated spots on the
pronotum shining black, the sides of the latter angnlated and the scutellum triangnlai'.
Length of the insect nearly 2 } inches.
Inliabits the island of Ceylon. In the Collection of R. Templeton, Esfj.
FIGTJIIE 3. The male of the natm'al size; Sa, the last ventral segment of the abdomen, showing the
extremity of the last dorsal segment, which is scarcely emarginate; 3 b, the under-side of the sheath;
3 c, male organ; 3 d, apex of ditto.
IN
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FIGURE 4.—SPECIES 3. TRICTENOTOMA ^NEA. PARRY. MSB. ?
Trictenotoma nigi-a subnitida ; elytris Bsneis vel cupreis pubescentia tenniori albida indnta, mandibulis extus
subsinuatis, pronoto utrunque subserrato et pone medium spina acuta armato, disco ntrinque tubérculo transverso
subelevato, scutello bi-evi.
Trictenotoma black, somewhat glossy, the elytra brassy or coppery, the upper surface more slightly clothed with
a bufT pubescence, the mandibles outwardly subseiTated, the pronotum slightly serrated at the sides in front and with
a sharp spine on each side beyond the middle, the disc with a slightly elevated transvere tubercle on each side, and
the scutellum short.
Length of the insect 3 inches.
Inhabits the Himalayas. In the Collections of Captain Parry, Dr. Benson, and T. V. Wollaston, Esq.
FIGURE 4. The female of the natural size; 4a, the under-side of the head; 4b, the last ventral segment,
showing the extremity of the last dorsal one; 4e, the last dorsal segment; 4d, sheath of ovipositor;
4e, the ovipositor.
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