FILE: <proctotr.key.htm> [Navigate to
MAIN MENU]
Key to the Families of Proctotrupoidea
(derived
primarily fr. Gauld & Bolton 1988)
[Please
refer to <Guide> for illustrations (Powerful connections use <Guide-2>)]
1a.
Antennal sockets contiguous with dorsal margin of clypeus or separated
from clypeus by less than diameter of
socket.............................................................................................................................................................2
1b.
Antennal sockets separated from dorsal margin of clypeus by more than
diameter of socket .............................4
2a.
Fore wing with well developed venation, marginal cell closed and a
distinct pterostigma present; antenna with
13
segments..............................................................................................................................Vanhorniidae
2b.
Fore wing with very reduced venation, without a closed marginal cell or
a distinct pterostigma; antenna with
12-14 or less
segments...................................................................................................................................3
3a.
Fore wing without stigmal or postmarginal veins, often veinless; antenna
with 10 or fewer segments; males with
antennal
segment 4 or 3 specialized.......................................................................................Platygasteridae
3b.
Fore wing with stigmal and usually also postmarginal veins present (Fig.
107); antenna usually with 11-12
segments,
rarely with 10 (Fig. 112); males with antennal segment 5 specialized.........................Scelionidae
4a.
Scape distinctly elongated, at least 2.5X as long as wide; pterostigma
absent; antennal shelf usually present (Fig.
111).................................................................................................................................................Diapriidae
4b.
Scape at most 2.2X as long as wide, usually less; pterostigma present
(Figs. 109-110); antennal shelf absent
.......................................................................................................................................................................5
5a.
Antenna with 15 segments and one ring-like segment; fore wing with a
distinct triangular cell 1M (Fig. 109);
claws
comb-like...............................................................................................................................Heloridae
5b.
Antenna with 13 segments; fore wing without a triangular cell 1M (Fig.
110); claws not comb-like
................................................................................................................................................Proctotrupidae