The Xitixhui (pronounced xit-CHEW-wee) are, by any measure, one of the most remarkable species humanity has ever encountered — and one of the most unsettling to study. They are a remnant people. Their civilization achieved the space age in a century, reached the atomic threshold, and then used it. What remains is a single surviving clan: the descendants of those who happened to be off-world when their home planet died. They have since integrated into CPH society with a completeness that xenopsychologists find difficult to categorise as anything other than the deliberate erasure of grief.
General morphology
Avg. height 1.5m · Avg. mass 65kg · Exoskeletal
The Xitixhui resemble a large praying mantis brought to full sapience. They are bilaterally symmetric, bipedal, and covered in chitin plating that varies in colour by birth caste. Decorative chitin-derived crests, arm feathers, and dorsal plating serve both social signalling and thermoregulatory functions.
Their faces are dominated by compound eyes with a wide visual field, and their mandibles — while functional — are rarely used for anything beyond eating and close-proximity social expression. Most communication occurs through posture, crest positioning, and vocalised clicks and tone patterns that the CPH translation suite handles with reasonable accuracy.
Caste morphology
Hands are caste-differentiated at genetic level
The most striking physical distinction between castes is hand morphology, which is genetically fixed at birth. Warrior caste individuals have a six-fingered hand with an elongated sixth digit terminating in a dense carbon-composite spur — not a weapon in the conventional sense, but certainly usable as one. Technical caste hands are smaller and three-fingered, mounted on a double-rotating wrist joint that allows precision manipulation in orientations other species cannot achieve. Labour caste hands are broad and three-thumbed, with significantly reinforced musculature.
CPH biomorphologists have confirmed that producing a unified genome — removing caste differentiation — is technically straightforward. There is no Xitixhui interest in pursuing this.
Warrior Caste
Chitin colouration: black
Historically the dominant social force alongside the Religious sub-caste of Labour. Warriors administered the clan's military affairs and external relations, and their authority derived from demonstrated combat prowess and lineage. Since integration with the CPH, the Warrior caste has migrated almost entirely into military and security roles — a transition so natural that CPH Naval Command considers Xitixhui Warrior-caste marines among their most reliable assets. They are disciplined, aggressive when called upon, and profoundly unbothered by the chaos of close-quarters combat in a way that impresses even Gorilla infantry.
Technical Caste
Chitin colouration: orange
Historically the smallest and least politically powerful caste — a position that changed dramatically once advanced technology became the actual axis of power in Xitixhui society. In the decades before the Final War, the Technical caste quietly designed and built combat systems that could only be operated by their own hand morphology. Whether this was cause or symptom of the social collapse that followed is still debated. Today, Technical caste Xitixhui are exceptional engineers and systems operators. They have a particular affinity for working alongside Octopus contractors, the two species having developed a mutual professional respect built entirely on competence and an almost complete absence of small talk.
Labour / Religious Caste
Chitin colouration: brown
The most numerous caste, historically responsible for both physical labour and the maintenance of Xitixhui religious and cultural tradition. The religious component of this caste's identity has largely collapsed since the Final War — the destruction of Home was, for many, proof enough that their gods either did not exist or did not care. What remains is a caste that is extraordinarily capable at large-scale physical coordination, construction, and logistics. Labour caste Xitixhui are the backbone of the orbital station at Chara 4, having built the entire installation themselves. They are also, quietly, the keepers of what little Xitixhui cultural memory survived.
History
By the early 22nd century by Earth reckoning, the Xitixhui were a civilisation in rapid technological acceleration. Starting from early steam-era technology, they had reached the atomic age in approximately one hundred years — a pace that, in hindsight, left almost no time for the social and philosophical frameworks that might have governed what they did with it. Their constant inter-clan conflicts, already worse than anything Earth had seen between its 18th and 20th centuries, scaled with their technology rather than abating.
In 2160, the final conflict began. Ironically, it was nearly controlled. Their orbital and atmospheric anti-ballistic systems performed almost flawlessly, intercepting strategic nuclear launches and limiting detonations to the upper atmosphere. What the systems could not address was theatre-level tactical deployment — neutron weapons and ground-effect nuclear devices used directly against cities and military positions. The devastation was catastrophic and rapid.
Worse still, the cumulative effect of the upper atmospheric detonations — precisely the "successful" outcomes of the ABM systems — destroyed Home's ozone layer and collapsed its Van Allen belt. The planet's surface was subsequently sterilised by solar radiation over the course of months. The moon colony and orbital facilities, watching from above, could do nothing.
When CPH survey teams reached Chara 4 in 2175, they found approximately 50,000 Xitixhui survivors in deteriorating facilities. Humanitarian assistance was dispatched immediately. The CPH has never formally discussed what those first contact conversations were like. The Xitixhui do not speak of it either.
Species profile — 2350
Known population ~180,000 (single surviving clan)
Home system Chara (Sigma Draconis) — Home sterilised 2160
Current primary habitat Chara 4 orbital station; Mars; CPH military postings
CPH alliance status Full alliance, integrated citizenship
GovernanceTriumvirate (one representative per caste)
Native language status Functionally extinct in daily use
Common roles in CPH Marines, engineers, station construction, logistics
Integration with the CPH — a note of concern
The Xitixhui have integrated into CPH society with what can only be described as total commitment. They have adopted human governance models, human cultural norms, human naming conventions in their dealings with other species, and — most strikingly — have largely ceased practising or transmitting their pre-war religious and cultural traditions. The speed and completeness of this transition goes well beyond pragmatic adaptation.
Xenopsychologists within the CPH's Interspecies Relations Bureau have flagged this repeatedly in internal reports. The working hypothesis is that the Xitixhui, collectively, have made a decision — whether consciously or not — that their old identity is too entangled with the civilisation that destroyed itself to be safely carried forward. Becoming, as fully as possible, something new is a survival strategy as much as it is a social choice.
The counterargument, made quietly by Labour caste elders, is that the memory is being kept. Just not shared. Not yet.
IRB Internal Memo — not for general distribution
The Xitixhui Chara 4 habitat includes a sealed archive maintained exclusively by Labour caste elders. Access has never been requested of the CPH and has never been offered. Bureau xenopsychologists recommend against requesting access. Whatever is in there belongs to them.
"You ask what I remember of Home. I remember the light. I remember the smell of the soil near the eastern water. I remember my mother's crests when she was amused. I do not remember the war. I was eight years old and I was on the moon and then the sky was wrong and then it was over. That is all I have to tell you, and I would prefer not to tell it again." — Klix-Thar of the Technical caste, interviewed by IRB field researcher, 2298
Insectoid Exoskeletal Caste-differentiated CPH military allies Remnant species Chara system