Key to the Orders of Arachnida — arachnida • dimoose

The key from Triplehorn & Johnson (2005), Borror and DeLong's Introduction to the Study of Insects, 7th ed., chapter 5, as a table of leads (see keyFromLeads()); arachnidaKey() turns it into a dimoose key. Transcribed by hand from the book.

Usage

arachnida

Format

A data frame with 22 rows (11 couplets) and 6 columns:

Statement: Couplet number.
Choice: a for the first lead (1.), b for the second (1'.).
Character: Text of the lead.
Next: Couplet the lead leads to, or "-".
Taxon: Order the lead ends in, for terminal leads.
Page: Page of the book where that order is treated.

Source

Triplehorn CA, Johnson NF (2005). Borror and DeLong's Introduction to the Study of Insects, 7th ed. Thomson Brooks/Cole. Transcription: data-raw/arachnida/ in the package sources.