il ' ii - Northern Research Station - USDA Forest Service

Actilasiopter a coronata GAGNE, NEW SPECIES Brighton, 2-III-1995, L. Law and R.J. Gagnr, last instar;
. Brighton, 3-VII-1995; 1 last instar; Brighton, 4-IX-1995,
Adult 1 female, 5 last instars; Brighton, 22-VIII-1996, 2 pupae;
Brighton, 16-I- 1997, 3 females; Nudgee Beach, 13- VIII-
Head. Antenna with 11 flagellomeres, the tenth and 199.5, 9 pupae; Doboy, 13-VIII-1995, 2 last instars;
eleventh fused into one apparent segment. Palpus 2 Toorbul, 13-VIII-1995, 2 last instars; Toorbul, 16-VIII- A
segmented, the second as wide but longer than the first. 1996, 1 female. ,,
Labella with sparse scales and a few apical setae.
Etymology
Thorax. Wing length, ca. 2.2 mm (n = 1) in male, 1.6-1.9
mm(n = 4) in female; R5 about 0.6 length of wing (as in The name coronata (adjective) refers to the crown-like •
fig. 32). ridge surrounding the gall.
Male abdomen, Seventh tergite sclerotized only on Gall
anterior half, with anterior pair of trichoid sensilla and
few scales the only vestiture. Genitalia: Hypoproct This is small, unevenly hemispheroid and warty on the
, convex posteriorly; parameres entirely covered with upper leaf surface, and craterlike on the lower leaf
setulae; aedeagus extremely narrow, the sensory pits not surface, the edge raised about 5 mm in height and
apparent, not curved ventrally at apex. uneven, suggesting a crown (figs. 5-6). Galls can be
close together and become partially congruent, but each
Female abdomen (a_sin figs. 15-16). Intersegmental larva is in a separate cell. Pupae break through the tissue
membrane between eighth and ninth segments with at the base of the crater on the lower leaf surface.
lateral group of robust, elongate setae on each side, with
no other setation but surface covered with elongate, fine Remarks
setulae; combined ninth segment and cerci strongly
sclerotized, glabrous, abruptly narrowed beyond base, Adults of this species and two others, A. pustulata and A.
6ylindrical, straight, needle-like, pointed apically, tuberculata, are similar in several ways, setting them off
as different from the remaining three species (see
Pupa remarks underA. tumidifolium)" the antennae are 10-11
segmented, the second palpal segment is larger than the
Vertex weakly convex, slightly produced ventrally first, the R5wing vein is about 0.6 wing length, the male
between antennal bases (figs. 21-22). Antennal bases seventh tergite is mostly unsclerotized with little
rounded anteroventrally. Face smooth, without projec- vestiture remaining, the parameres are setulose, and the
tions, ovipositor narrows abruptly at its base into a long,
cylindrical tube. The pupae and larvae of these three
Larva species share the following characters: the pupal vertex
is slightly produced ventrally between the antennal bases,
Third instar (figs. 27-28). Integument with conical, the larval papillae are apparent, and the larval integument
p0inted verrucae covering entire surface of body except is almost entirely covered with conical, pointed verrucae.
venter of collar segment and area immediately around
spatula, Spatula slightly logner than broad, with pair of A. coronata differs only slightly from A. pustulata and A.
pointed anterolateral teeth and smaller pair of rounded tuberculata, in the slightly wider apex of the aedeagus,
mesal teeth. Papillae well developed, as for generic the evenly rounded pupal antennal bases, the lack of
. diagnosis projections on the pupal face, and in the particular shaple
' of the larval spatula (compare figs. 27 and 30).
Holotype and Specimens Examined
ActUasioptera pustulata GAGNE, NEW SPECIES
H0!otype, male, reared from leaf gall on Avicennia
marina, Australia, Queensland, Sandgate, 23-VIII- 1996, Adult
L. Law, deposited in Australian National Insect Collection,
Canberra (ANIC). Head (figs. 9-10). Antenna with 11 flagellomeres, the
tenth and eleventh fused into one apparent segment.
Other specimens examined (all from Avicennia marina, Palpus 2 segmented, the second as wide but longer than
Queensland, Australia and collected by L. Law). the first. Labella with sparse scales and a few apical
setae.
32
.