il ' ii - Northern Research Station - USDA Forest Service

Pupa quite distinct, we have found no other characters to
. distinguish between the two species. We consider the
-Vertex weakly convex, slightly produced ventrally difference between their galls to be the expression of at
between antennal bases (figs. 23-24). Antennal bases least physiological differences between them and so
angular anteroventrally. Face anteromesally with pair of consider them distinct species.
slightly wrinkled projections, i
ACKNOWLEDGMENTS •
Larva
. We are grateful to Nit Malikul for preparing the micro-
Third instar: Integument with Conical, pointed verrucae scopic slides and to Damien Burrows of the Australian
covering entire surface of body. Spatula (fig. 30) Centre for Tropical Freshwater Research, Townsville,
narrowing posterior to anterior edge to about one third Peter Kolesik of The University of Adelaide, and Allen
length; then widening abruptly and tapering slightly to Norrbom, of the Systematic Entomology Laboratory,
posteriormargin, with pair of short, splayed anterolateral Washington, DC, for their comments on drafts of the
teeth and mesal pair of rounded, usually serrate teeth manuscript.
apically, no longer than lateral teeth. Papillae well
, developed, 'as for generic diagnosis. LITERATURE CITED
•Holotype and Specimens Examined Docters van Leeuwen-Reijnvaan J., Docters van
Leeuwen-Reijnvaan, W.D. 1910. Einige Gallen aus
Holotype, male, reared from leaf gall on Avicennia Java. Dritter Beitragl Marcellia. 9:37-61.
marina, Australia, Queensland, Wellin.gton Pt., 10-IX-
1993, deposited in Australian National Insect Collection, Felt, E.E 1921. Javanese gall midges. Treubia. 1" 139-
Canberra (ANIC). 151.
Other specimens examined (all from Avicennia marina, Gagn6, R.J. 1989a. The plant-feeding gall midges of
Queensland, Australia, and collected by L. Law), North America. Ithaca, NY: Comell University Press.
Wellington Pt., 10-IX-1993, 1 male; Toorbul, 10-IX- xi and 356 p. and 4 pls.
1993, 1 female (ovipositor missing); Toorbul, 23-III-
1994, 3 pupae; Toorbul, 27-III-1994, 3 pupae, 2 last Gagn6, R.J. 1989b. Family Cecidomyiidae. In" Evenhuis,
instars; Toorbul, 13-VIII-1995; 3 last instars; Brighton, N.L., ed. A catalog of the Diptera of the Australasian
10-IX-1993, 2 males; Brighton, 4-IX-1995, 2 last instars; and Oceanian Regions. Bishop Museum Press an_ E.J.
Donnybrook, 27-VIII- 1994, 2 males. Brill, Leiden: 152-163.
Etymology Gagn6, R.J. 1994. The gall midges of the Neotropical
Region. Ithaca, NY: Cornell University Press. xv and
The name tuberculata (adjective) refers to the one to 352 p.
several elongate tubercles on each gall.
• Gagn6, R.J.; Balciunas, J.K.; Burrows, D.W. 1997. Six
Gall new species of gall midges (Diptera: Cecidomyiidae)
from Melaleuca (Myrtaceae) in Australia. Proceedings
On the upper leaf surface the gall of this species is of the Entomological Society of Washington. 99:312circular
basally, with one or more elongate, conical 334. !
. projections arising from it, 3-10 mm in height, 3-8 mm in
diameter (fig. 8). On the lower surface the gall is simply Gagn6, R.J.; Etienne, J. 1996. Meunieriella avicenniag
circular and fiat. There is one conical projection for each (Cook) (Diptera: Cecidomyiidae) the leaf gall maker of
individual larval cell. The pupa breaks out of the lower black mangrove in the American tropics. Proceedings
surface of the leaf. of the Entomological Society of Washington. 98" 527-
616.
Remarks
Law, L.J. 1996. The diversity, host relationships and
See remarks under A. coronata on the differences among abundance of gall insects on mangroves in Moreton
that species, A. pustulata, and A. tuberculata, and Bay and the potential of galls as environmental
between them and the remaining species in the genus, indicators. Brisbane: University of Queensland. Ph.D.
Although galls ofA. pustulata and A: tuberculata are thesis.
34