. African invertebrates : a journal of biodiversity research. Invertebrates -- Africa; Biological diversity -- Africa; Biological diversity. DEVELOPMENT OF THE OF TERMITES. 289 Imago.—The variation given for the imago in the antennal index is based upon the examination of 49 organs. These represented 19 pairs and 11 single organs. Of the pairs, 4 were asymmetrical, 3 being XVI-XV and 1 XA^-XII. The last mentioned, XII, is only recorded as a matter of interest, as it Avas essentially aberrant and prol)ably owed its Text-fig. Cryptotermes sp. o-b. Imago, c. Soldier. tZ-/i. Developi
. African invertebrates : a journal of biodiversity research. Invertebrates -- Africa; Biological diversity -- Africa; Biological diversity. DEVELOPMENT OF THE OF TERMITES. 289 Imago.—The variation given for the imago in the antennal index is based upon the examination of 49 organs. These represented 19 pairs and 11 single organs. Of the pairs, 4 were asymmetrical, 3 being XVI-XV and 1 XA^-XII. The last mentioned, XII, is only recorded as a matter of interest, as it Avas essentially aberrant and prol)ably owed its Text-fig. Cryptotermes sp. o-b. Imago, c. Soldier. tZ-/i. Developing antenna; origin to some injury—a most unusual factor. The table shows the preponderance of the XY- and XVI-jointed organs. No. of joints Xo. of antennae XII XIII XIV XV XVI , XVII 21 = 49 All arise from the phase of the nymphal antenna (fig. 12,, d), which is about in stage E (PI. XY). If this develops to G and (12) is abjuncted the XY organ results; if (12) and (13) abjunct the organ is XYI-jointed (stage H). Should any development. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Natal Museum (Pietermaritzburg, South Africa). Council. Pietermaritzburg, South Africa : Council of the Natal Museum
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