+------------------------------------------------------------------------+
   |                                insects                                 |
   |------------------------------------------------------------------------|
   | large wings |                    small or no wings                     |
   |-------------+----------------------------------------------------------|
   |  butterfly  |   very long rear legs    |       shorter rear legs       |
   |-------------+--------------------------+-------------------------------|
   |             |  antenna  | antenna rear | horned  |   not horned head   |
   |             |   front   |              |  head   |                     |
   |-------------+-----------+--------------+---------+---------------------|
   |             | mosquito  | grasshopper  |  rhino  |   small   |  large  |
   |             |           |              | beetle  |   eyes    |  eyes   |
   |-------------+-----------+--------------+---------+-----------+---------|
   |             |           |              |         |  termite  | beetle  |
   |             |           |              |         |  solder   |         |
   +------------------------------------------------------------------------+