Incisitermes krishnai EMERSON

Engel, Michael S. & Krishna, K., 2007, Drywood termites in Dominican amber (Isoptera: Kalotermitidae), Beiträge Zur Entomologie = Contributions to Entomology 57 (2), pp. 263-275 : 274-275

Incisitermes krishnai EMERSON ( Figs 9-10 )

“ Kalotermes nigritus SNYDER ”: SNYDER,, 1960: 493. Misidentification.

Incisitermes krishnai EMERSON, 1969: 46 .

Description:

For holotype ( Figs 9-10 ) except as noted: Imago. Head and pronotum brown, integument faintly imbricate; antennae and legs light brown. Head and pronotum with numerous fine, short setae, pronotum with a few long, fine setae on disc and lateral margins; costal margin and surface of wing scale with numerous fine, short setae; abdomen with sparse erect to suberect (mostly erect on terga), short to moderate-length setae. Postclypeus transverse, short and wide. Dentition (only visible in paratype) of left mandible scarcely visible, first and second marginal teeth appearing slightly shorter than third marginal tooth; cutting edge of first and second marginal teeth slightly concave. Lateral margins of head subparallel, posterior margin evenly rounded; Y-shaped coronal ecdysial cleavage distinct; compound eye rounded, small, in lateral aspect well separated from posterior border of head, separated by distance more than compound eye length; ocellus oval, touching compound eye; anteclypeus subtrapezoidal, apical margin straight; postclypeus not demarcated; antenna with 17 articles; first article longest; second through fourth articles approximately equal in size. Pronotum wider than head, including compound eyes; anterior margin concave; lateral margins subparallel, faintly curved; posterolateral corners converging, posterior margin relatively straight, medially faintly concave. Tibial spur formula 3-3-3; arolium present. Forewing membrane hyaline, densely nodulose, nodules not pigmented; Rs with 4-5 branches; M running approximately equidistant from Rs and CuA; CuA with 10-11 primary branches.

– 9 Torsal aspect. – 10 Ventral aspect.

Measurements:

Refer to EMERSON (1969) for measurements of the holotype and paratype.

Holotype:

Imago ( Figs 9-10 ), UCMP 12613 , amber, Mexico, Chiapas, Las Cruces. Deposited in the Department of Invertebrate Paleontology, University of California Museum of Paleontology, Berkeley , California.

Paratype:

Imago, UCMP 12945 , same collection data and repository as holotype .

Authors’ address:

Prof. Dr. M. S. ENGEL Dr. K. KRISHNA

Division of Entomology (Paleoentomology) Division of Invertebrate Zoölogy

Natural History Museum American Museum

1501 Crestline Drive, Suite 140 of Natural History

University of Kansas Central Park West at 79 th Street

Lawrence, Kansas 66049-2811 New York, New York 10024-5192

United States United States

Subject editor:

Prof. Dr. W. WICHARD

Figures

Figs 9-10: Photomicrographs of holotype imago of Incisitermes krishnai EMERSON (UCMP 12613).