Question: Which genus of moth in the world's seventh-largest country contains only one species?
Context: India, officially the Republic of India ("Bhārat Gaṇarājya"), is a country in South Asia.  It is the seventh-largest country by area, the second-most populous country (with over 1.2 billion people), and the most populous democracy in the world.  It is bounded by the Indian Ocean on the south, the Arabian Sea on the southwest, and the Bay of Bengal on the southeast.  It shares land borders with Pakistan to the west; China, Nepal, and Bhutan to the northeast; and Myanmar (Burma) and Bangladesh to the east.  In the Indian Ocean, India is in the vicinity of Sri Lanka and the Maldives.  India's Andaman and Nicobar Islands share a maritime border with Thailand and Indonesia. India is a country in South Asia.  It is the seventh-largest country by area, the second-most populous country (with over 1.2 billion people), and the most populous democracy in the world. Eutrapela is a genus of moth in the Geometridae family.  It contains only one species, Eutrapela clemataria, the curve-toothed geometer moth or purplish-brown looper, which is found in North America, where it has been recorded from Nova Scotia to Florida, west to Texas and north to Saskatchewan.  The habitat consists of deciduous and mixed woodlands. India lies on the Indian Plate, the northern portion of the Indo-Australian Plate, whose continental crust forms the Indian subcontinent.  The country is situated north of the equator between 8°4' to 37°6' north latitude and 68°7' to 97°25' east longitude.  It is the seventh-largest country in the world, with a total area of 3287263 km2 .  India measures 3214 km from north to south and 2933 km from east to west.  It has a land frontier of 15200 km and a coastline of 7516.6 km . Yoshiyasua is a grass moth genus (family Crambidae) of subfamily Musotiminae.  Some authors have placed it in the snout moth family (Pyralidae), where all grass moths were once also included, but this seems to be in error.  The genus contains only one species, Yoshiyasua yasudai, which is found in Japan, where it has been recorded from the Ryukyu Islands. Nepita is a genus of moth in the family Arctiidae.  The genus consists of only one species, Nepita conferta, which can be found in India and Sri Lanka.  The species commonly called footman moth. Parectropis is a genus in the geometer moth family (Geometridae).  A small Old World genus, it contains only a good dozen species altogether, though new ones are still being discovered.  Only one species ("P. similaria") is found in Europe; most others live in Asia though some occur in Africa. Indogrammodes is a genus of moths of the Crambidae family.  It contains only one species, Indogrammodes pectinicornalis, which is found in India. Eumacaria is a genus of moth in the family Geometridae.  It contains only one species, Eumacaria madopata, the brown-bordered geometer moth, which is found in North America, where it has been recorded from British Columbia, northern Washington, southern Saskatchewan, from Maine to Florida, South Dakota, North Dakota, Nebraska, Wyoming, Idaho, Colorado and New Mexico.  The habitat consists of orchards and shrublands. Nymphuliella is a genus of moth of the Crambidae family.  It contains only one species, Nymphuliella daeckealis, the China Mark Moth, which is found from New Jersey south to Florida and west to Colorado.
Answer: Crambidae