Research Article

Comparative Study of the Morphology of the Ovipositor of Platygaster diplosisae (Hymenoptera: Platygasteridae) and Aprostocetus procerae (Hymenoptera: Eulophidae) Two Parasitoids Associated with the African Rice Gall Midge, Orseolia oryzivora (Diptera: Cecidomyiidae)

Table 2

Distribution of the sensillae on the ovipositor of A. procerae.

TypeLocalization ( m)NumberExtremityLengthExistence of an apical poreProbable function

Trichoid 1Proximal portion of 3rd valvula1Sharp104NoMechanoreceptor
Trichoid 258  m from distal extremity of 3rd valvulaThe most common of the trichoid typeSlightly sharp51NoMechanoreceptor
Trichoid 342  m from the distal extremity of 3rd valvulaSlightly rounded38NoMechanoreceptor
Type aDistal extremity of 3rd valvula1Rounded5.3NoMechanoreceptor
Type bDistal of 1st valvulaFewRounded0.9NoMechanoreceptor
Type cHalf proximal of 1st valvulaFewRounded0.8NoMechanoreceptor
Type dProximal portion of 1st valvula1Rounded0.47NoMechanoreceptor
Type e120  m from the distal extrimity of 1st valvula
Type f5  m from the distal extremity of 1st valvula 33Slightly rounded0.4ProbableChemoreceptor
Type gHalf proximal of 1st valvula
Campaniform2/3 proximal of 1st valvulaRounded2Mechanoreceptor
Styloconic 1Proximal portion of 1st valvulaRounded0.7NoMechanoreceptor
Styloconic 2Proximal portion of 1st valvulaRounded0.7NoMechanoreceptor
Styloconic 3Proximal part, interior surface of 2nd valvulae3Slightly sharp0.7NoMechanoreceptor