Israel Journal of Entomology Vol. XIX (1985) Pp. 37-49 37 INDOMYRMA

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Israel Journal of Entomology Vol. XIX (1985) Pp. 37-49 37 INDOMYRMA

Israel Journal of Entomology Vol. XIX (1985) pp. 37-49 INDOMYRMA DASYPYX, NEW GENUS AND SPECIES, A MYRMICINE ANT FROM PENINSULAR INDIA (HYMENOPTERA: FORMICIDAE) WILLIAM L. BROWN, JR. Department of Entomology, Cornell University Ithaca, NY 14853, USA ABSTRACT A new myrmicine genus Indomyrma is raised for a single new species, I. dasypyx, from the Western Ghats of peninsular India. The new genus is close to Dacetinops (Malaysia to New Guinea), but lacks spongiform appendages of the waist segments found in the latter, and the male has peculiar, deformed antennal funiculi. Worker and queen have 11-merous antennae (3-merous club), male antennae 12-merous; palpi segmented 2,2. Larvae much like those of Dacetinops. Chromosomes n=12 metacentrics. Malpighian tubules 5 in all castes, both sexes, not cryptonephric. The ants nest in rotten wood in shady broadleaf forest at elevations of 650-1000m, and are priarily insectivorous, living in colonies of 10-500 workers. KEY WORDS: Ants, Formicidae, Myrmicinae, India, chromosomes, Malpighian tubules, antennae. INTRODUCTION The species described below is an original. It is a typical myrmicine, but cannot be referred to any particular tribe of the currently chaotically organized subfamily. I have supplied as many character states for classification as are available under present standards. The genus appears to be a member of the morphocline leading from the Myrmica genus-group to Dacetinops (Brown and Wilson, 1957; Taylor, 1965), and in fact may be regarded as a Dacetinops precursor. This genus and species is described in honor of Prof. Jehoshua Kugler, of Tel Aviv University. Indomyrma Brown new genus Diagnosis, worker: Monomorphic myrmicine ant with 11-merous antennae and 3-merous antennal club, similar to Dacetinops, but with the following principal differences. (1) Spongiform appendages completely lacking (on petiole, postpetiole and base of gaster). (2) Petiole nodiform, with distinct anterior peduncle. 37 .

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