Optical Electronic Computer Mouse (Black Case - Glow in the dark)

Real Lance Sergeant - Athyma pravara specimen encased in clear lucite material (lower half part of the mouse). The specimen is crystal clear, transparent and indestructible. Safe, authentic and completely unbreakable product put the Butterfly right at your fingertips! 

It glows in the dark!

The butterfly wings stretch to 5.5 cm (2.2 inch).

Size of the arcylic part is 5.3 x 6.0 x 2.5 cm (2.1x2.4x1 inch).

Size of the whole computer mouse is 12 x 6 x 3 cm(4.7x2.4x1.2 inch).

Weight of the computer mouse is 120 g (0.26 pound) and 170 g (0.37 pound) with packing box.

It is an ideal computer accessory and also a very good collectible item for every body. 

Features:
Optical mouse can work on almost any surfaces, it also can eliminate dust.
Specifications:
Interface: PS/2; USB; USB+PS/2       Mouse Buttons: 2 Buttons+ 1 Wheel
Software resolution: Up to 6400 DPI    Hardware resolution: 800DPI
Micro Switch: 1 million cycle life   Encoder: Opto-Mechanical
Browse way: Vertical + Horizontal Scroll
Driver compatible with: Windows 98/2000/ME/NT/XP
The mouse blinks with red, blue and green lights once plugged.

The mouse is rechargeable with a USB cord packed in the box.

Product size: 120*60*30 mm

This is a handmade real animal specimen craft. Each one will be a bit different (specimen size, color and posture) even in the same production batch.
The pictures in the listing are just for reference as we are selling multiple pieces with same pictures.

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Lance Sergeant - Athyma pravara

Family: Nymphalidae  Subfamily: Limenitidinae   Genus: Athyma

The distinctive characteristic of the Lance Sergeant is the unbroken cell streak on the forewings above. When at rest, the identification of this species using this characteristic serves to distinguish it with certainty from the other Athyma species.
This species makes a fairly regular appearance in the nature reserves, particularly when there are flowering trees, and flies in the company of many other Nymphalinae and Danainae species. Occasionally, we have also observed the Lance Sergeant puddling at damp patches on the ground.

It is a relatively strong flyer and often stops to rest with its wings opened, to sunbathe or just to rest. This behaviour is similar to most of the other Athyma species.

The Lance Sergeant is dark brown to black with an interrupted, white, macular and curved fascia running from mid-costa on the forewing to near the base of the dorsum on the hindwing. There are submarginal lines of white markings irrorated with dark scales on both wings, that on the hindwing taking the form of a broad band running from the apex to dorsum. Lance Sergeant can be distinguished easily from other similar Athyma species in that the cell-streak in the forewing is entire and clavate at its distal end. The underside is greyish brown with markings as on the upperside.

The eggs of the Lance Sergeant are laid singly at the tip of a leaf on the host plant. In a behavior typical of Athyma spp. (and some other species), the mother butterfly first lands on the surface of the leaf, and with its head pointing towards the petiole, it reverses until its abdomen tip reaches the drip tip of the leaf, and there it lays an ovum. Damaged leaf edges, caused by other insects or even the feeding activity of an early caterpillar, could be mistaken as the leaf tip, with the result of an egg being laid there. Diameter of egg: about 0.8mm.

The egg takes 3 days to hatch. The young caterpillar eats its way out of the mature egg, and then proceeds to finish up the rest of the egg shell. The newly hatched has a cylindrical dark greenish brown body covered with many small tubercles. The head capsule is orange in base color and speckled with dark brown patches.

The 1st instar caterpillar feeds from the leaf tip and works its way towards the base on each side of the midrib, which is left protruding. At the tip of this exposed midrib, the young caterpillar also laboriously builds a frass chain which is made up of frass pellets strung together with silk thread. Between feeds, the caterpillar rests on either the exposed midrib or the frass chain. If disturbed when feeding on the nearby leaf lamina, it also makes a hasty beeline for this resting position. In later instars, the caterpillar tends to rest near where the protruding midrib joins the remaining lamina. At this site, it also attempts to disguise itself with a collection of frass pellets secured with silk on the lamina. After reaching about 5mm in about 3 days, the caterpillar moults to the 2nd instar.

Besides the tiny tubercles covering most of its body surface, the 2nd instar caterpillar also features bigger and more prominent branched spines dorso-laterally and spiracularly. Black spots also line the basal part of the dorso-lateral spines. The head capsule is now brown to dark brown in coloration. This instar lasts 3 days with the body length reaching 7mm.

Compared to the earlier instar, the 3rd instar caterpillar has longer dorsolateral spines, with the pairs on thoracic segments particularly longer. Its head capsule is dark brown to black irorated with pale brown tubercles of both rounded and pointed shapes. Sub-spiracular white patches can be found on abdominal segments 2, 6-8, enveloping the short branched spines found there. This instar takes 3-4 days to complete with body length reaching about 12mm. On the last day of this instar, the dorsal band takes on a greenish tinge.

The 4th instar caterpillar has a wide dorsal band which is briefly yellowish green at first but soon turns bright green for most part of this instar. The sub-spiracular white patches are now more prominent, and the dorso-lateral spines have grown further in length and changed to crimson red in color. The head capsule has two faint vertical pale stripes running vertically. This instar lasts 4 days with body length reaching about 16mm.

The next moult brings the caterpillar to its 5th and final instar. Now there is a drastic change in appearance. The branched dorso-lateral spines are now very well developed on all body segments, those on the meso- and metathorax being the longest. Newly moulted caterpillar has a broad green dorsal band and is dark yellowish green laterally, but soon the green on the dorsal band spread laterally giving the caterpillar an overall green appearance. The two white vertical stripes on the head capsule also become much more prominent in this instar. As with other members of the Limenities subgroup, when disturbed, the caterpillar adopts a characteristic posture with the anterior body arched and the head tucked beneath the thorax.

The 5th instar lasts for 6-8 days, and the body length reaches up to 29-31mm. On the last day, its body color changes dramatically. The color changes first to yellowish green and then pale brown. The caterpillar ceases feeding and wanders around for a pupating site which could either be a branch or a leaf surface. Once a suitable spot is found, the caterpillar spins a silk pad, and from which it hangs vertically to take on the pre-pupatory pose.

Pupation takes place a day later. The pupa suspends itself from the silk pad with no supporting silk girdle. When disturbed, the abdominal segments flex laterally, and could stay in that position for a period of time. It is almost entirely silverly-gold in color with segments and parts outlined in brown. The pupa has a pair of curved and pointed cephalic horns. The abdominal segments are slender, and the thoracic portion being larger and expanded laterally. Dorsally, there are two prominent processes curved towards each other. Length of pupae: 17-19mm.

After 7 days of development, the pupa turns black in the wing pad area as the development within the pupal case comes to an end. The spots and streak on the forewing upperside are also discernible. The following day, soon after day break, the adult butterfly emerges from the pupal case.